REI - Technology Showcase Special (Sep-Oct 2026) by SolarQuarter

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SEP-OCT 2026 | VOLUME 18 | ISSUE 5

TECHNOLOGY SHOWCASE SPECIAL

E PO

SPECIAL ISSUE 2026

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Technology Showcase Special l Sep-Oct Issue 2026

C O N T E N T LEADERSHIP VOICES

BUSINESS NEWS 06 08

Policy & Regulations

Tender

PROJECT FEATURE 22 Candi Solar

PRODUCT FEATURE 29 EnerVenue 33 ReNew

William Gui

Yogendra Yadav

Jake Morin

General Manager Sineng Electric Asia-Pacific

Manager- Supply Chain Management Sungrow

Chief Product Officer Nextpower

RESEARCH STORY

PRODUCT LAUNCH

The Evolution of Battery Technology From Lithium-Ion to Next-Generation Storage

24 27

Floating Solar Technology In India: Engineering Innovations Driving The Next Generation Of WaterBased PV Projects

Building India’s Next-Generation Solar Manufacturing Ecosystem: From Polysilicon to High-Efficiency Modules

Bifacial Solar PV In India: Unlocking Higher Energy Yields Through Smarter Project Design

High-Power Modules And Large-Format PV: How 700W+ Modules Are Changing Solar EPC Design

Hybrid Inverters And Grid-Forming Technology: Building The Foundation For Solar Plus Storage

Solar Plus Storage In India: How Advanced BESS And Hybrid Technologies Are Enabling Round-The-Clock Renewable Power

Beyond PERC: The Rise Of N-Type Solar Cells In India’s Utility-Scale PV Projects

Technology Race In Solar: How Innovation Will Define The Next Decade Of PV Growth

AI And Digital Technologies Transform Solar PV Asset Management In India

HJT Solar Cells in India Redefining High-Efficiency PV Manufacturing and Utility-Scale Solar Growth

CYBRID Deye

COMPANY FEATURE 31 35

GoodWe SIGENERGY

PROCUREMENT INSIGHT 12

India’s Battery Storage Tender Pipeline Expands Across Grid Applications and Project Models

Storage Duration Varies With System Requirements

Storage Is Being Deployed Across The Grid Where storage is located is becoming as relevant as its capacity.

Solar Plus Storage Expands the Integration Challenge

Procurement Is Becoming More Application-Specific

Pumped Storage Adds Another Technology Pathway

Long-Term Performance Moves into Focus

KNOWLEDGE BYTE 42

Solar Beyond 2030: Emerging Trends That Could Reshape India’s PV Industry

Strategic Priorities Shaping The Future Of India’s Solar Industry

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Technology Showcase Special l Sep-Oct Issue 2026

INDIA SOLAR NEWS POLICY & REGULATIONS >

UPERC Clarifies Interest Calculation On Tariff Adjustments Under Captive And RE Generating Plants Regulations 2024 In Uttar Pradesh PSPCL Seeks PSERC Approval To Replace Physical NetMetering Agreements With Digital Contracts In Punjab GERC Approves GUVNL’s Short-Term Power Procurement For August 2026 To March 2027 In Gujarat AERC Directs APDCL To Continue Rooftop Solar Applications Under Existing Net Metering Rules In Assam MSERC Notifies MYT Regulations 2026 For Meghalaya’s Power Sector HPERC Proposes Zonal Consumer Grievance Forums to Improve Efficiency and Reduce Costs In Himacha Pradesh GERC Examines ATS Bank Guarantee Dispute Over Renewable Energy Connectivity Rules In Gujarat APERC Allows Up To 5 kW Rooftop Solar Installations For Single-Phase Consumers In Andhra Pradesh RRECL Releases Draft SOP For Mandatory BESS Integration In Rajasthan Renewable Energy Projects UPERC Repeals 2022 Captive Power Verification Regulations, Aligns Framework With New Central Rules In Uttar Pradesh Odisha Cabinet Amends PSP Policy To Accelerate Pumped Storage Investments APERC Simplifies Behind-The-Meter Rooftop Solar Regulations And Removes Surcharge Burden For Consumers In Andhra Pradesh GERC Invites Consultancy Bids To Finalize Intra-State GNA Regulations 2026 In Gujarat DERC Allows Higher FPPAS Recovery For Delhi Discoms Amid Rising Power Purchase Costs

Kerala Regulator Ratifies 103% Power Banking Deal With Chhattisgarh UERC Proposes 2026 DSM Rules To Strengthen Grid Discipline And Financial Settlement In Uttarakhand KERC Drafts 2026 Electricity Supply Regulations To Streamline Power Connections Across Karnataka KSERC Ratifies Nine KSEB Power Banking And Swap Arrangements In Kerala RERC Directs PGCIL To Approach CGRF Over JVVNL Billing Dispute In Rajasthan Punjab Regulator Approves Digital Net Agreements For Rooftop Solar Connections

Metering

Delhi To Provide Free 3 kW Rooftop Solar Systems To 2.30 Lakh Households By 2027 HPERC Simplifies Rooftop Solar Approvals Under PM Surya Ghar Scheme in Himachal Pradesh GERC Revises Green Energy Open Access Banking Charges, Caps Rates At INR 1.50 per Unit In Gujarat BERC Approves Uniform SOP For Service Cable Replacement During Smart Meter Installation In Bihar Kerala Commission Rejects KINESCO Power Distribution License for KINFRA Perumbavoor Park KERC Proposes Unified Electricity Supply Regulations 2026 For A Digital And Consumer-Friendly Power Sector In Karnataka Karnataka Proposes Unified Electricity Supply Regulations 2026 To Modernize Power Distribution KERC Proposes Unified Electricity Supply Regulations 2026 For Karnataka KERC Revises Solar Feed-In Tariffs For Distributed Solar Photovoltaic And SPV Projects In Karnataka

Kashmir Power Distribution Corporation Proposes 5% Tariff Hike, Simplified Tariff Structure And Loss Reduction Plan Through FY 2028-29

RERC Recognizes GST Hike As Change In Law For 600 MW Solar Project In Rajasthan

MERC Approves Rooftop Solar For 2.11 Lakh Low-Income Households In Maharashtra

MERC Allows MSEDCL To Encash ₹6.65 Crore PBG Of 133 MW Parmeshi Urja Solar Project In Maharashtra

Technology Showcase Special l Sep-Oct Issue 2026

INDIA

Technology Showcase Special l Sep-Oct Issue 2026

INDIA SOLAR NEWS POLICY & REGULATIONS >

CSPDCL Seeks CSERC Approval For Tariff Of 500 MWh BESS Project In Chhattisgarh UPERC Closes Smart Meter Overcharging Case After INR 32.74 Crore Consumer Refund APERC Revises Electricity Supply Rules With New Penalties And Compounding Fees In Andhra Pradesh HERC Clears Path For Green Energy Banking, Rejects DISCOM Objections In Haryana DERC Mandates Energy Compliance For NDMC, Waives INR 12.54 Crore Penalty In Delhi BERC Seeks Clarifications From Bihar Discoms, ECR On Open Access Charges Dispute TGERC Closes 2018 Telangana-AP Power Dues Dispute Petition After NCLT Case Withdrawal UPERC Rejects 5,000 MW Captive Solar Project Plea For Full Charge Exemptions In Uttar Pradesh

Kerala State Electricity Regulatory Commission Ratifies KSEBL’s 125 MW Power Banking Deal With Uttar Pradesh Power Corporation Limited MERC Approves 10 MW Round-The-Clock Procurement At INR 5.60 Per kWh In Maharashtra

Power

DERC Approves ₹35.91 Lakh/MW Tariff For 12.5 MW/25 MWh Battery Storage Project In Delhi CSERC Directs Chhattisgarh Utilities To Continue Existing Practice For Surplus Power Management JSERC Invites Bids To Verify And Value DVC Distribution Assets In Jharkhand BERC Hears Bihar Discoms’ Dispute With Railways Over Unpaid Open Access Charges In Bihar BERC Proposes 4% Energy Storage Obligation By 2029-30 Under Draft RPO Amendment Regulations In Bihar UPERC Reviews INR 38,519 Crore Five-Year Transmission Plan For Uttar Pradesh Through FY 2030–31

TGERC Fixes Telangana APPC At INR 5.330/kWh For 2025-26 GERC Adjourns Petition On 30% Green Energy Open Access Banking Limit In Gujarat

UPERC Admits UPPCL Petition Seeking Clarity on Tariff Deductions for Existing Transmission Infrastructure In Uttar Pradesh

GERC Defers INR 2.34/kWh Tariff For 1,250 MW Solar Procurement Over Grid Stability Concerns In Gujarat

KSERC Approves 346.42 MU Peak Power Procurement For Kerala At INR 10.04 Per Unit

UPERC Approves 300 MW Solar PPA At INR 2.57/kWh For 25 Years In Uttar Pradesh

UERC Finalizes 2026 Resource Adequacy Framework With Long-Term Power Procurement Rules In Uttarakhand

MERC Dismisses Petition Over Open Access Energy Credit Priority in Maharashtra

GERC Sets INR 0.99/kWh Additional Surcharge For Gujarat Open Access Consumers From October 2026

Kerala Commission Ratifies KSEBL’s Short-Term Power Banking Arrangement

GERC Dismisses Farmers’ Suryashakti Kisan Yojna Scheme Petition Over Billing And Solar Generation Disputes

TENDER > SECI Raises FDRE-IX Tender Capacity To 1,500 MW, Bidding Limit To 750 MW

Military Engineer Services Floats INR 8.67 Crore Tender For 5 MW Solar Plant Maintenance In MHOW

SECI Invites Bids For 700 MW ISTS-Connected Solar PV Projects For C&I Consumers

Defence Estates Office Floats Tenders For 96 MW Solar Projects In Jhansi And Babina Of Uttar Pradesh

SECI Seeks 20 Acres For Two 5 MW Agri-PV Pilot Projects In Delhi-NCR

GAIL Invites Bids For PMC Services For A 100 MW Solar Project With 22 MWh BESS In Maharashtra

Technology Showcase Special l Sep-Oct Issue 2026

INDIA

Technology Showcase Special l Sep-Oct Issue 2026

INDIA SOLAR NEWS TENDER >

NTPC REL Invites Bids For 1,000 MW Solar EPC Project In Andhra Pradesh

SECI Invites Bids for 1200 MW ISTS Renewable Projects With 4800 MWh Peak Supply and Mandatory ESS

SECI Floats Tender for 120 MW Solar Project with 60

SECI Invites Bids for 3.68 MW Rooftop Solar Projects On NDMC

MW/240 MWh Battery Aurangabad District

Buildings At Tariff Below INR 5.13/kWh

Storage

Bihar’s

Military Engineer Services Floats Tender For Repair And Maintenance SECI Issues 800 MW/3200 MWh Standalone BESS Tender Under Tariff-Based Competitive Bidding

Of 1.7 MW Rooftop Solar Plant In Gurgaon

SECI Invites Bids For 60 MW ISTS-Connected Solar Project In Gaya, Bihar SECI Floats Tender for 11.16 MW Grid-Connected Rooftop Solar Projects Under RTSPV Tranche-XIV SECI Plans 4 MW Solar Project Along Elevated DelhiDehradun Highway Under Resco Mode MSEDCL Floats Tender For 1,000 MW/4,000 MWh BESS Procurement With 500 MW Green Shoe Option Defence Estates Office Invites Bids For 55 MW Solar Power Plant In Madhya Pradesh NTPC Green Energy Invites Bids For QCA Services For 850 MW Solar Projects Indian Railways Floats INR 8.73 Crore Tender for 4 MWh Battery Energy Storage System NTPC Green Energy Invites Bids for 3,125 kW Sineng Spare Inverter for Nokhra Solar Station Chennai Port Authority Invites Bids For 3 MW Solar Project With 4 MWh Battery Storage At INR 6.55/Unit RECPDCL Floats INR 49.09 Crore Tender For ICAR Rooftop Solar Projects Across Multiple States Terra Clean Invites Bids For Land Aggregation For 300 MW Solar Project In Gujarat

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Technology Showcase Special l Sep-Oct Issue 2026

INDIA

Technology Showcase Special l Sep-Oct Issue 2026

Procurement Insight

India’s Battery Storage Tender Pipeline Expands Across Grid Applications and Project Models India's energy storage procurement pipeline is becoming increasingly differentiated by application, grid location and project configuration. Recent tenders span standalone Battery Energy Storage Systems (BESS), distributed installations at substations, solarplus-storage projects and grid-monitoring infrastructure. Pumped storage is also progressing alongside batteries as part of fine broader storage landscape.

STANDALONE BESS

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SOLAR + STORAGE

Technology Showcase Special l Sep-Oct Issue 2026

Storage is becoming more application-specific. PUMPED STORAGE

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Technology Showcase Special l Sep-Oct Issue 2026

Procurement Insight

Storage Duration Varies With System Requirements

BESS

BATTERY ENERGY STORAGE SYSTEM

Recent tenders range from two-hour to four-hour battery systems, demonstrating how MW and MWh requirements are being matched to different applications.

2-HOUR STORAGE

4-HOUR STORAGE

DURATION

2 HOURS

4 HOURS VS.

POWER

500 MW

ENERGY

1,000 MWH

POWER

ENERGY

250 MW

1,000 MWH

POWERGRID provides a clear comparison. It has

Four-hour configurations feature prominently

invited bids for 500 MW/1,000 MWh of BESS

elsewhere. Coal India

across India, representing two hours of storage,

MW/750 MWh in Telangana and 80 MW/320

alongside a separate 250 MW/1,000 MWh four-

MWh in Odisha, while Rajasthan DISCOMs are

hour package. It has also floated a 265 MW/530

procuring 162 MW/648 MWh.

has

sought

187.5

MWh standalone BESS tender in Haryana. The variation indicates that procurement is not

UJVN's 90 MW/225 MWh project in Uttarakhand provides a 2.5-hour configuration.

converging around one standard battery size or duration. Instead, utilities are specifying energy and power capacities according to Inie intended operating requirement—a distinction that directly affects

battery

sizing,

power

conversion,

degradation management and project economics.

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Technology Showcase Special l Sep-Oct Issue 2026

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Procurement Insight

Storage Is Being Deployed Across The Grid

Where storage is located is becoming as relevant as its capacity. Coal India's 1875 MW/750 MWh project in

TRANSMISSION

Telangan is planned at the 400/220 kV Choutuppal substation, positioning a substantial

187.5 MW / 750 MWh

storage asset at the transmission level.

Telangana

Its Odisha project follows a distributed structure. The 80 MW/320 MWh BESS will be divided

400/220 kV Choutuppal substation

among four OPTCL substations at Padampur, New Bolangir, Bhatli and Basta, with 20 MW/80 MWh planned

400 kV / 220 kV

at each location.

Rajasthan DISCOMs take storage deeper into the

Coal India

Odisha BESS

SUB-TRANSMISSION

80 MW / 320 MWh

network, with their 162 MW/648 MWh programme planned across selected 33/11 kV

OPTCL substations

substations.

Padampur, New Bolangir, Bhatli and Basta

These projects illustrate different approaches to grid-connected storage. Larger transmissionconnected systems can provide flexibility at the bulk-power level, while distributed BESS can

20 MW / 80 MWh at each location

220 kV / 33 kV

place storage closer to demand centres and network constraints. DISTRIBUTION

For technology providers, this means that interconnection design, control architecture and

Rajasthan DISCOMs 162 MW / 648 MWh

operating strategies may differ significantly depending on where the battery sits within the

33/11 kV substations

power system.

distributed across selected substations 33 kV / 11 kV

Energy Storage TRANSMISSION

Bulk power transfer over long distances

SUB-TRANSMISSION Power transfer to regional networks

DISTRIBUTION

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Procurement Insight

SOLAR PLUS STORAGE

EXPANDS THE INTEGRATION CHALLENGE Storage is also being incorporated directly into renewable generation rather than deployed solely as a standalone grid asset. SOLAR PV PROJECT

600 MWH

BESS

275 MWH

SOLAR PV WITH BESS

100 MWH

500 MWH

GAIL has invited bids for a 600 MW solar PV

The PMUs will provide synchronised

project combined with 275 MW/550 MWh BESS

measurements of parameters such as

at the TUSCO Jhansi Solar Park in Uttar Pradesh.

voltage, current, frequency and phase

The project requires solar generation and storage to function as an integrated system. This increases the importance of coordinated plant controls, power conversion, charging strategies and energy management alongside conventional solar EPC requirements.

angle, with data integrated into the Phasor Data Concentrator at the State Load Dispatch Centre in Raipur. The procurement shifts attention from battery installation to the digital infrastructure surrounding storage. As more BESS assets enter the grid, real-

SECI’s Rajnandgaon project in Chhattisgarh

time monitoring, communications and

highlights another stage of solar-storage

system-level visibility become

integration. The existing facility combines 100

increasingly important.

MW of solar PV with 40 MW/120 MWh BESS, and SECI has invited bids for the installation and integration of Phasor Measurement Units.

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Technology Showcase Special l Sep-Oct Issue 2026

VISIBILITY BEYOND THE BATTERY

The procurement shifts attention from battery installation to the digital infrastructure surrounding storage. As more BESS assets enter the grid, real-time monitoring, communications and system-level visibility become increasingly important.

Procurement Insight

PROCUREMENT IS BECOMING MORE

Application-Specific Matching storage configuration, controls and operating model to power system needs.

Taken together, the recent tenders illustrate a storage

For technology companies, the distinction is important.

market developing across several layers of the electricity

Storage systems increasingly need to be engineered

system.

around where they connect, what service they provide and how they are expected to perform over their operating life.

POWERGRID is procuring large standalone systems at different power-to-energy ratios. Coal India and Rajasthan

India's storage tender market is therefore becoming less

are placing BESS at transmission and distribution

about BESS capacity in isolation and more about matching

substations. GAIL is integrating storage directly with large-

the right storage configuration, controls and operating

scale solar, while SECI’s Rajnandgaon procurement

model to the needs of the power system.

highlights

the

monitoring

and

communications

infrastructure required once solar-storage assets are operating on the grid. Rajasthan’s Rampura proposal adds pumped storage to the broader technology picture. These are not entirely new applications for energy storage,

India's storage tender market is therefore becoming less about BESS capacity in isolation and more about matching the right

but their presence across the current procurement

storage configuration, controls and operating

pipeline demonstrates the range of requirements now

model to the needs of the power system.”

being addressed simultaneously.

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Technology Showcase Special l Sep-Oct Issue 2026

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Procurement Insight

PUMPED STORAGE ADDS ANOTHER TECHNOLOGY PATHWAY

LONG-TERM PERFORMANCE MOVES INTO FOCUS

Battery projects account for most of the recent

Several

storage tenders, but pumped storage reminis part of

procurement is not ending at commissioning.

recent

tenders

also

show

that

storage

the wider technology mix. Coal India's Telanga project, for example, includes 15 years

Rajasthan Renewable Energy Corporation has invited

of comprehensive O&M, while Rajasthan's projects involve long-term operation under a Build-On-Operate structure.

bids to prepare a pre-feasibility report for the proposed 800–1,000 MW Rampura Pumped Storage

Such contract periods place greater attention on how

Project in Tonk district, Rajasthan.

storage systems perform throughout their operating lives. Battery degradation, augmentation strategies, warranties,

The project is envisaged as an off-stream, closedloop pumped-storage facility. At this stage, the

system availability and round-trip efficiency can directly affect whether projects continue meeting contractual requirements.

procurement covers feasibility assessment rather than construction, so the proposed capacity should be viewed separately from BESS projects being tendered for development.

Nevertheless, it illustrates the complementary role of different storage technologies. Batteries offer modular deployment and rapid response across different points of the electricity network, while pumped storage can provide large-scale energy shifting where suitable sites and project conditions are available.

Safety is another major consideration. Thermal management, fire detection and suppression, battery management and operating controls need to function as an integrated system rather than as individual equipment packages.

The technology opportunity therefore extends well beyond cells and containers. Power conversion systems, BMS, EMS, cooling, fire safety, grid controls, communications and long-term service capabilities are all becoming important parts of the storage value chain.

PROJECT FEATURE

Casting the Future in Green: How Bangalore Metallurgicals Forged Ahead with Solar, Saving ₹2.2 Crore Annually Bangalore Metallurgicals Pvt. Ltd. is not just another foundry; it’s

PLL Financial Model: The PLL model allows Bangalore

a legacy. Founded in 1960 by Maddaiah Ramaiah, this third-

Metallurgicals to own the asset, unlocking GST benefits and

generation family-owned enterprise has spent over six decades

accelerated depreciation, while paying only for the power

producing world-class Gray and Ductile Iron castings. From

generated, giving them the best of both Capex and Opex.

engine blocks and valves to turbines and power generation equipment, their products find a home in industries that keep economies moving. With an ISO 9001-certified facility in Hoskote, Karnataka, and a reputation for quality, they’re one of India’s most

Zero-Hassle Execution: We handled the approvals upfront from Karnataka Renewable Energy Development Corporation (KREDL), avoiding the usual regulatory bottlenecks.

trusted names in the casting industry. But as a manufacturer

Speed to Power: From Notice to Proceed on April 30th to

supplying both domestic and international markets, Bangalore

Commissioning on August 1st, the project was live in just 93

Metallurgicals knew that staying competitive meant not just

days, a record turnaround for a project of this scale at Candi.

producing excellence but powering it sustainably. Smooth Land Management: With the site owned by just two

The Challenge Energy

the

lifeblood

brothers, we sidestepped land-title and right-of-way delays that of

casting.

And

for

Bangalore

often derail large utility projects.

Metallurgicals, it also represented one of the biggest costs. At

With every piece falling into place, the foundation was ready for

nearly ₹10 per unit for grid power, electricity expenses were

the impact to follow.

eating into profitability. The company had already dipped its toes into renewables, with 2 MW of rooftop solar and another 1.6 MW from a different developer, but with expansion came bigger energy needs. The challenge: How do you scale up power capacity, cut costs, and stay sustainable without loading your balance sheet with debt and tying up the capital needed to grow?

The Solution

The Impact By replacing costly grid power at nearly ₹10/unit with solar at about half the price, Bangalore Metallurgicals gained immediate breathing room on its energy bills. But the impact wasn’t just financial. At commissioning, the 5.5 MWp system was projected to generate

Bangalore

over 9 million kWh of clean energy every year and mitigate more

Metallurgicals to expand their renewable portfolio once again.

than 7,000 tons of CO₂ emissions annually. For a foundry built on

This time, they chose to go bigger: a 5.5 MWp open-access solar

heavy industry, that meant a lighter footprint with every casting.

The

need

for

cleaner,

cheaper

power

led

plant with Candi Solar, designed to match their growing demand while keeping financial risks off the books. Here’s what made the

Twelve months into full operation, the company now has a year of

difference:

experience to put alongside those projections.

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Technology Showcase Special l Sep-Oct Issue 2026

PROJECT FEATURE

12 Months In: Solar Is Doing the Heavy Lifting On average, the solar plant now meets 75–80% of Bangalore Metallurgicals’ electricity requirements, delivering ₹2.2 crore in annual savings. In an energy-intensive business, that’s a substantial saving, freeing up money to reinvest in growth. In peak months, solar meets 100% of their casting production electricity requirements. And when generation exceeds consumption, surplus power can be exported to the grid. With a large share of production now powered by renewable electricity, the benefits also reach beyond the factory floor. In an energy-intensive sector like iron and auto components, switching to solar sharpens their competitive edge. Clients in automotive and engineering increasingly expect greener supply chains, and Bangalore Metallurgicals can now respond to that demand with greater confidence.

One Year Later: The Customer's Verdict After

months

full

operation,

the

Bangalore

Metallurgicals team could not be happier with the system and the partnership with Candi Solar. We know because we visited the site to see the plant in operation and hear the team’s experience firsthand. “I’ve known Candi Solar for the past 2 years. They’re a very professional and transparent company. The past 12 months we’ve been operational with Candi Solar under the PLL Model, and it’s going very smoothly.” — Raghavendra Ramaiah, Managing Director, Bangalore Metallurgicals

Looking Ahead For Bangalore Metallurgicals, solar isn’t just about powering furnaces—it’s

about

powering

the

future

Indian

For their international business, this has a practical significance. The

manufacturing. With Candi Solar as their partner, they’ve

company is better positioned to meet renewable-energy requirements

proven that even in industries built on iron, there’s room for

from European customers who are increasingly focused on the carbon

a greener, smarter way forward.

intensity of their supply chains. Cleaner power is helping Bangalore Metallurgicals strengthen both its manufacturing operations and its readiness to serve these markets.

INDIA

Technology Showcase Special l Sep-Oct Issue 2026

PRODUCT LAUNCH

Cybrid Develops New PV Materials Solutions for Evolving Solar Industry Needs

olar modules are changing as manufacturers work to produce

Recently On 21 September 2026, Cybrid and TCL Solar signed

more power and improve reliability. New cell designs also bring

a strategic cooperation agreement for Raybo® light-conversion

new needs for the materials used inside a module. A film that works

encapsulant film, focusing primarily on back-contact (BC)

well with one type of cell may need changes to suit another.

modules while also advancing applications in TOPCon modules.

Encapsulation films are the protective layers that surround solar cells inside a module. They help hold the layers together, allow light to reach the cells and protect them. Insulating materials keep electrical conductors separated where needed. Cybrid’s new material developments address these roles, with a focus on the needs of different solar technologies.

Supporting newer TOPCon cell designs Newer TOPCon designs, including Polyfinger cells, use a thinner polysilicon layer in selected areas of the cell. These changes make the choice of protective film especially important.

Allowing more light to reach the cells (High-Transparency Films)

One concern is potential-induced degradation, which can

One way to improve module performance is to reduce the light lost

Cybrid has adjusted its encapsulation films to improve

before it reaches the solar cells. The clarity of the encapsulation film

resistance to PID for these cell designs. It has evaluated

plays a part in this.

combinations of EPE and EVA films. EPE brings together EVA

reduce module performance under high-voltage conditions.

and

polyolefin

elastomer

layers.

These

options

give

Cybrid has developed high-transparency films to help more light

manufacturers different ways to balance material cost and

pass through. In one laboratory comparison, its high-transmittance

reliability, with testing needed for their selected module

film allowed 93% of light through in the tested wavelength range,

design.

compared with 92% for the standard film. Tests also showed lower haze, meaning a clearer film. The effect on module power will depend on the cells and the complete module design.

Providing insulation where it is needed Modules using cells cut into smaller pieces can have more

Raybo® light conversion for advanced solar technologies

complex wiring layouts. At certain points, wires and busbars

Cybrid’s Raybo® light-conversion film absorbs UV light and converts

Cybrid’s insulating strips are designed for use between

it into visible blue light that solar cells can use. It is designed to

busbars and cells, around connecting wires and in selected

reduce UV-related degradation while making use of part of the

edge applications. White, black and transparent versions suit

incoming UV light. The effect on module power and durability

different designs. Good bonding and control of bubbles

should be evaluated with the selected cells and module design.

during lamination are important to help these strips perform

Raybo® can be used in TOPCon, heterojunction (HJT) and

their intended role inside the finished module.

need insulation to prevent unwanted electrical contact.

perovskite tandem modules, with the formulation selected to suit the cell technology.

INDIA

Technology Showcase Special l Sep-Oct Issue 2026

PRODUCT LAUNCH

Using lower temperatures for sensitive cells Perovskite, tandem and flexible solar modules may need gentler processing because their cell layers can be sensitive to heat and chemical reactions. Cybrid’s thermoplastic polyolefin film, known as TPO, is developed for these needs. Cybrid’s TPO film bonds to glass during lamination at 120°C for 15–20 minutes. It does not require added crosslinking agents, making it suitable for cells that are sensitive to heat and chemical reactions during processing.

Solar module reliability goes beyond manufacturing—it depends on the right materials, timely repair, and lifecycle-focused maintenance.”

Different TPO versions allow UV light to pass through, block it, or

These developments show how solar materials are becoming more

convert part of it into visible light. Manufacturers can consider

closely matched to cell technology. For module manufacturers,

these options based on the needs of their cells. TPO can also

project owners and EPC companies, understanding how these

soften when heated, which may help separate module layers

materials support module performance and reliability can help

during recycling.

guide module design, selection and project planning. Choosing

Developing films with improved fire behaviour

and testing materials around those needs can support better

Cybrid is also working on flame-retardant EVA films. The aim is to improve how the film behaves when exposed to fire while keeping suitable light transmission and bonding properties. The development work shows why testing after lamination matters: processing can change a film’s properties. Fire

performance, suitable processing and reliable module production. As solar technologies evolve, suitable materials and repair solutions matter across the module’s life, from manufacturing to operation and maintenance. Cybrid’s developments address these changing needs and provide a basis for further discussion among module manufacturers, project owners and EPC companies on performance and long-term reliability.

performance must also be checked at module level, as it depends on the complete construction.

MoPro® module repair and maintenance solutions As more solar modules are installed and existing projects age, repair and maintenance become a larger part of the industry’s needs. Damaged backsheets, cracked rear glass and problems with sealing or insulation can affect module condition and require careful assessment. MoPro® demonstrates Cybrid’s full lifecycle approach, from module assembly to maintenance and repair. It embodies the company’s 3R philosophy: Repair, Reuse and Recycle. Its repair materials and maintenance solutions include tapes for scratched or cracked backsheets and cracked rear glass, alongside solutions for sealing, waterproofing and insulation issues. For project owners and EPC companies, the focus is on assessing the damage and selecting a suitable repair approach to support continued operation where repair is technically appropriate.

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Technology Showcase Special l Sep-Oct Issue 2026

RESEARCH S T O R Y

THE EVOLUTION OF BATTERY TECHNOLOGY FROM LITHIUM-ION TO NEXT-GENERATION STORAGE

attery technology has evolved rapidly from conventional lead-

acid systems to advanced lithium-ion batteries and emerging nextgeneration chemistries. This evolution is being driven by the growing

demand

for

electric

vehicles,

renewable-energy

Battery innovation is moving

integration, grid-scale storage, and reliable backup power. The focus has shifted from simply increasing energy density to

beyond higher energy density

improving safety, cycle life, charging speed, sustainability, and cost. Lithium-ion batteries have become the dominant technology

toward safer, longer-lasting, fastercharging, and more sustainable

because they offer high energy density, relatively low selfdischarge, good efficiency, and long cycle life. A typical lithium-ion

storage solutions.”

cell consists of a graphite anode, a lithium-containing cathode, an electrolyte, and a separator. During charging, lithium ions move

Lithium-sulfur batteries represent another research direction.

from the cathode to the anode through the electrolyte, while

Sulfur is inexpensive and lightweight, while the chemistry

electrons travel through the external circuit. During discharge, the

theoretically offers very high energy density. However, problems

process reverses.

such as the polysulfide shuttle effect, electrode degradation, and limited cycle life still need to be addressed before large-scale

Different lithium-ion chemistries provide different performance

commercial deployment.

characteristics. Lithium nickel manganese cobalt oxide (NMC) provides high energy density and is widely used in electric vehicles.

For

Lithium iron phosphate (LFP) offers better thermal stability, longer

conventional electrochemical batteries are also gaining attention.

cycle life, and lower dependence on expensive materials such as

Flow batteries, including vanadium redox flow batteries, store

cobalt and nickel. Lithium titanate (LTO) provides very fast charging

energy in liquid electrolytes held in external tanks. Their energy

and excellent cycle life, although its lower energy density increases

capacity can be increased by enlarging the tanks, making them

system size and cost.

suitable for multi-hour storage applications. They also offer long

long-duration

energy

storage,

technologies

beyond

cycle life and relatively low degradation. Battery innovation is now moving beyond conventional lithium-ion technology. One important development is the solid-state battery,

The next generation of battery systems will also depend heavily on

which replaces the liquid or gel electrolyte with a solid electrolyte.

battery management systems (BMS). Advanced BMS platforms

This can potentially improve safety and enable the use of lithium-

monitor voltage, temperature, current, and state of charge while

metal anodes, increasing energy density. However, manufacturing

balancing individual cells. Artificial intelligence and predictive

complexity, material stability, and high production costs remain

analytics can further estimate battery health, detect abnormal

important challenges.

behaviour and optimise charging and discharging.

Another promising technology is the sodium-ion battery. Sodium is

Battery technology is therefore moving from a single dominant

more abundant and geographically widespread than lithium,

chemistry toward a diversified storage ecosystem. Lithium-ion,

potentially reducing raw-material pressure and cost. Sodium-ion

particularly LFP, will remain important, while solid-state, sodium-

batteries generally have lower energy density than lithium-ion

ion, lithium-sulfur and flow batteries could address specific

systems, but they can be attractive for stationary storage, short-

performance and cost requirements. The future of energy storage

range

will ultimately depend not on one universal chemistry, but on

mobility,

and

applications

where

cost

and

resource

availability are more important than compact size.

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Technology Showcase Special l Sep-Oct Issue 2026

selecting the right technology for each application.

PRODUCT LAUNCH

Deye WS-L5000 & WS-MV5000: 5MWh-Class Utility-Scale Energy Storage Solution

s renewable energy deployment continues to grow, reliable and efficient energy storage is becoming increasingly important for

large-scale power applications. Deye’s WS-L5000-BC-2 and WSMV5000-2-A combine a liquid-cooled battery energy storage system with an Integrated Power Conversion and Boost Solution, designed for utility-scale energy storage applications. The platform is designed for large-scale

applications

and

supports

2-hour

and

4-hour

configurations. The WS-L5000-BC-2 is a liquid-cooled ESS using LiFePO₄ battery technology and 314Ah cells. It provides a nominal energy capacity of 5,016 kWh with a nominal voltage of 1,331.2Vdc. The system has a 0.5P charge/discharge rate and achieves ≥94.5% DC efficiency. Its 20foot container architecture provides high-capacity energy storage in a compact configuration. The battery system incorporates liquid cooling and is designed to operate from -30°C to +55°C, with derating above 45°C. It includes a bidirectional shut-off valve in the liquid-cooling circuit and a wasteliquid collection device. The system provides IP55 ingress protection and C4/C5 anti-corrosion protection. Complementing the battery system, the WS-MV5000-2-A Integrated

For grid applications, the platform supports fast active and

Power Conversion and Boost Solution incorporates four 1,250kVA PCS

reactive power response, weak-grid operation with SCR=1.1,

units and a 5,250kVA oil-immersed transformer. The transformer

inertia support and microsecond-level voltage building. It

operates with a 0.69kV/20–35kV configuration, while the PCS has a

also supports VSG, VF and PQ operating modes, off-grid

rated AC voltage of 690Vac. The system achieves an average

parallel operation and independent grid black start.

efficiency of ≥98.3%, with a maximum conversion efficiency of up to The system further features AI-powered load optimization,

99%.

24/7 remote monitoring and O&M, real-time battery health The WS-MV5000-2-A is designed with IP65 protection for the PCS and

and safety alerts, and cloud connectivity, supporting

IP54 for other equipment. The PCS uses air-water cooling, while the

intelligent management of utility-scale energy storage assets.

transformer uses natural air cooling. The system supports operation up to 3,000m altitude, with derating above 2,000m, and an operating

With its 5,016kWh battery capacity, integrated power

temperature range of -40°C to +60°C, with derating above 45°C.

conversion and boosting architecture, high efficiency, advanced cooling, multi-level safety protection and grid-

Safety is supported through a 2+3 level fire protection system and

support functions, the Deye WS-L5000 & WS-MV5000

3+2+1 level electrical safety protection. The platform incorporates

platform provides a comprehensive solution for utility-scale

BMS and EMS interlocks, online insulation monitoring, and aerosol

energy storage applications.

and water fire suppression.

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Technology Showcase Special l Sep-Oct Issue 2026

RESEARCH S T O R Y

FLOATING SOLAR TECHNOLOGY IN INDIA: ENGINEERING INNOVATIONS DRIVING THE NEXT GENERATION OF WATER-BASED PV PROJECTS

loating solar is emerging as an important technology pathway for

Operations and maintenance are receiving greater attention as the

India as the country expands renewable generation while facing

floating solar market develops. Robotic or semi-automated

constraints on land availability. Floating photovoltaic (FPV) systems

cleaning systems, remote monitoring, drone-based inspections

install solar modules on water bodies such as reservoirs, dams, quarry

and sensor networks can reduce the need for frequent physical

lakes and industrial ponds. Beyond saving land, water-based projects

access to floating arrays. Digital monitoring can track platform

can benefit from lower module temperatures and reduced water

movement, module performance, water conditions and electrical

evaporation, although their engineering requirements are more

parameters, enabling operators to identify abnormal behaviour at

complex than conventional ground-mounted plants.

an early stage.

The foundation of a floating solar project is its floating platform.

India’s next generation of floating solar projects is likely to

Modern systems increasingly use high-density polyethylene (HDPE)

combine

floats designed to withstand ultraviolet radiation, temperature

environmental

variations, waves and long-term mechanical stress. Modular float

conditions, water-level variation, aquatic ecosystems, anchoring

designs allow PV blocks to be assembled at the project site and

loads and grid connectivity must be considered during project

configured according to reservoir geometry. Engineers are also

design rather than treated as separate requirements.

these

engineering

and

structural

innovations

with

stronger

assessments.

Reservoir

wind

improving float interconnections to provide greater flexibility while maintaining structural stability under changing water levels.

As floating PV technology matures, improvements in materials, mooring

systems,

electrical

architecture,

monitoring

and

Anchoring and mooring represent another critical engineering area.

maintenance can help increase reliability and project life. The

Unlike fixed ground-mounted PV plants, floating arrays must remain in

technology therefore offers India an additional route for

position despite wind, waves and fluctuating reservoir levels. Projects

expanding solar generation where suitable water surfaces can

can use bank anchoring, deadweight anchors or flexible mooring

complement, rather than compete with, land-based renewable

systems depending on water depth, bathymetry and operating

energy development.

conditions. Advanced designs increasingly use dynamic mooring arrangements that accommodate seasonal changes in water levels while limiting movement of the solar island. Module and mounting technology is also evolving. Bifacial modules can potentially capture reflected light from the water surface, improving energy yield under suitable conditions. Lightweight mounting structures reduce the load on floating platforms, while corrosion-resistant materials and enhanced cable protection are important for long-term operation in humid environments. Higherwattage modules can further increase power density and reduce the number of electrical connections required. Electrical design presents unique challenges. DC cables must be routed safely across floating sections while allowing movement between

platforms.

Waterproof

connectors,

elevated

cable-

management systems and appropriately rated junction boxes help reduce electrical and insulation risks. Floating projects also require careful placement of inverters and transformers to protect equipment from water exposure. In larger plants, centralised or distributed inverter architectures can be evaluated based on array configuration, maintenance access and electrical losses.

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Technology Showcase Special l Sep-Oct Issue 2026

PRODUCT FEATURE

EnerVenue Energy Core and Energy Cube Deliver Long-Life Storage for Critical Infrastructure Two Aqueous Metal Cell-Based Solutions Designed for Telecom Backup and Data Center UPS Applications As critical infrastructure requires increasingly reliable and durable backup power, energy storage systems must combine long operating life, safety, and simplified system management. EnerVenue addresses these requirements with two distinct products—the Energy Core and Energy Cube—both based on the company’s Aqueous Metal Cell (AMC) technology. Both products are engineered to deliver up to three cycles per day over a 30-year design life, equivalent to approximately 30,000 cycles under normal operating conditions. The AMC chemistry uses a water-based electrolyte and hence, under abnormal operating conditions, the battery has zero risk of fire ignition and propagation from thermal runaway.

Energy Core: Backup Power for Telecom Applications The Energy Core is a compact DC block developed for indoor backup power, particularly for the telecom sector. Designed to protect critical infrastructure from power loss, it provides an alternative to conventional lead-acid batteries in telecom environments. Its natural air-cooling architecture eliminates the need for auxiliary cooling. The system offers up to 30 kWh rated capacity, 48 V DC rated voltage, and a 43–58 V system voltage range. Backup time from 2 hours to 16 hours, it features an integrated BMS, TCP/Modbus communication, IP20 protection, and natural air cooling. The specified operating temperature range is -10°C to +45°C, with a maximum temperature of up to 60°C.

Energy Cube: High C-rate Backup for Data Center UPS The Energy Cube extends EnerVenue’s AMC platform to highercapacity backup requirements. Developed for indoor UPS systems in data centers, the Cube is designed to protect critical infrastructures from power loss. EnerVenue positions it as an alternative to lead-acid batteries used in UPS systems. The Energy Cube can be retrofitted to UPS systems rated from100KVA to 600KVA and it incorporates natural air cooling, an integrated BMS, TCP/Modbus communication, and IP20 protection.

One cell chemistry, multiple solutions While sharing the same AMC technology, the two products address clearly differentiated applications. Energy Core targets compact telecom backup, where continuity of power is essential for communications infrastructure, while Energy Cube addresses higher-capacity data center UPS requirements. Both products use natural air cooling without auxiliary heating or cooling systems, supporting lower auxiliary energy requirements. Their cells also list UL 9540A, UL 1973, and IEC 63115-2 certifications. With the Energy Core and Energy Cube, EnerVenue combines long design life, high cycling capability, aqueous metal chemistry, and application-specific system configurations to address the backup power requirements of telecom and data center infrastructure.

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Technology Showcase Special l Sep-Oct Issue 2026

RESEARCH S T O R Y

BUILDING INDIA’S NEXT-GENERATION SOLAR MANUFACTURING ECOSYSTEM: FROM POLYSILICON TO HIGH-EFFICIENCY MODULES

ndia’s solar manufacturing industry is moving toward a more

integrated and technology-driven ecosystem, covering the complete value chain from polysilicon and wafers to cells and high-efficiency modules. Building domestic capability across these stages can strengthen supply security, reduce dependence on imports, improve technology access, and support the country’s long-term renewable energy targets.

The future of Indian solar manufacturing lies in integration—building efficiency, resilience, and innovation across every

Polysilicon is the starting point for conventional crystalline silicon solar

stage of the value chain.”

manufacturing. It is produced by converting high-purity silicon feedstock into semiconductor-grade material suitable for wafer production. The quality and purity of polysilicon directly influence

Module manufacturing is the final stage where high-performance

wafer

Establishing

cells are interconnected, encapsulated, and protected using glass,

competitive domestic polysilicon production requires large-scale

encapsulants, backsheets or rear glass, junction boxes, frames,

chemical processing facilities, reliable power, advanced purification

and other components. New-generation modules are increasingly

technologies, and strong environmental and safety controls.

adopting larger formats, multi-busbar or zero-busbar designs,

quality

and,

ultimately,

cell

performance.

bifacial configurations, improved encapsulation materials, and The next stage is wafer manufacturing, where polysilicon is converted

advanced interconnection technologies. These developments can

into ingots and then sliced into thin silicon wafers. Modern wafer

increase power output while improving durability and reducing

production increasingly focuses on larger wafer formats, thinner

degradation.

wafers, reduced kerf loss, and improved material utilization. Diamond wire sawing has become an important technology for reducing silicon

A competitive manufacturing ecosystem also requires domestic

wastage during wafer slicing. India’s future wafer ecosystem will need

production of critical materials and components, including solar

to balance scale, efficiency, material consumption, and manufacturing

glass, silver or copper metallization materials, encapsulants,

yield.

backsheets,

junction

boxes,

frames,

and

manufacturing

equipment. Automation, artificial intelligence, machine vision, Solar cells represent the technology-intensive core of the value chain.

process monitoring, and digital quality-control systems can further

P-type PERC technology is increasingly being replaced by advanced

improve manufacturing yield and consistency.

n-type architectures such as TOPCon, heterojunction technology (HJT), and back-contact cells. TOPCon provides higher conversion

For India, the next phase of solar manufacturing is therefore not

efficiency while retaining similarities with established crystalline

simply about adding module capacity. It is about developing a

silicon manufacturing processes. HJT combines crystalline silicon with

vertically integrated, technology-oriented value chain capable of

thin amorphous silicon layers, enabling high efficiency, strong

producing high-quality wafers, advanced cells, and high-efficiency

temperature performance, and good bifacial potential. Back-contact

modules at competitive costs. Greater integration can support

technologies move electrical contacts to the rear of the cell, reducing

innovation, supply-chain resilience, skilled employment, and the

front-side shading and creating further efficiency opportunities.

global competitiveness of India’s solar PV manufacturing industry.

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Technology Showcase Special l Sep-Oct Issue 2026

COMPANY FEATURE

GoodWe India Marks 10 Years of Trust and Reliability, Highlighting a Decade of Long-Term Solar Performance From homes to heritage theatres, decade-old GoodWe installations demonstrate the importance of reliable solar technology and long-term value

oodWe, a global provider of solar inverters and energy storage solutions, is marking 10 years of operations in India, reflecting India, reflecting a decade of growth alongside the country's rapidly expanding renewable energy sector. The milestone is not only about the scale of installations achieved over the past decade, but also about what those systems continue to deliver years after commissioning. In a market where solar is increasingly viewed as a long-term investment, reliability, product longevity, service support and return on investment are becoming critical considerations for customers. This is particularly relevant for residential customers, for whom a solar installation represents a significant investment and an opportunity to reduce recurring electricity expenses. It is equally important for commercial establishments, where energy costs directly affect operating margins. As GoodWe completes a decade in India, the company has also completed two warranty cycles in the country, gaining extensive experience in supporting installations across different regions, climatic conditions and grid environments. This experience has reinforced the company's focus on product reliability and long-term customer support. Two projects from GoodWe's early years in India illustrate the tangible value that reliable solar technology can deliver over time.

A decade of solar performance at a 70-yearold theatre 10 years ago, a 70-year-old theatre in Kamthi, Maharashtra, installed a 10kW solar system with GoodWe technology to address rising electricity expenses. At the time, solar adoption was still relatively new in the region, and the theatre was among the early commercial establishments to recognize the potential of solar to reduce operating costs.

For businesses such as theatres, where electricity is a recurring and significant operating expense, reducing energy costs can have a direct impact on overall profitability. The continued performance of the system over a 10-year period demonstrates the importance of selecting reliable equipment when the objective is to generate savings over the long term.

Eight years of savings from a 5kW residential installation In Haryana, a 5kW residential solar system equipped with a GoodWe inverter has been operating for more than eight years. The system has helped the homeowner achieve an approximately 80% reduction in electricity bills, significantly lowering recurring energy expenses. Importantly, the initial investment in the solar system was recovered within approximately three years through electricity savings. The system has continued to operate well beyond its payback period, demonstrating the long-term financial value that a reliable solar installation can provide to homeowners. For residential consumers, this kind of long-term performance is particularly important. The value of a solar system is not determined solely by its installation cost or initial energy savings, but by its ability to continue generating electricity reliably year after year. These two installations—one serving a home and another supporting a long-established commercial establishment— illustrate a broader principle behind solar adoption: the real value of an installation is realised over its operating lifetime. Since entering the Indian market, GoodWe has expanded its presence across the residential, commercial and industrial, and utility-scale segments, while continuing to strengthen its local service and support capabilities.

The investment was recovered within approximately five years through electricity savings. Over the following decade, the system has continued to deliver comparable generation, allowing the theatre to benefit from sustained reductions in its electricity expenses.

As GoodWe enters its next decade in India, the company remains focused on delivering reliable solar and energy-storage solutions while strengthening partnerships, service capabilities and longterm value for customers across the country.

Technology Showcase Special l Sep-Oct Issue 2026

INDIA

RESEARCH S T O R Y

BIFACIAL SOLAR PV IN INDIA: UNLOCKING HIGHER ENERGY YIELDS THROUGH SMARTER PROJECT DESIGN

ifacial solar photovoltaic (PV) technology is becoming increasingly

important in India as developers look beyond module efficiency to improve energy generation from the same project footprint. Unlike conventional monofacial modules, bifacial modules can generate electricity from both the front and rear surfaces by capturing direct, diffuse, and reflected sunlight. When combined with appropriate project design, this technology can increase energy yield without requiring a proportional increase in installed capacity. The performance advantage of bifacial PV depends heavily on the amount of light reaching the rear side of the module. This makes project design a critical factor. Albedo, or the reflectivity of the ground

India’s next generation of solar projects will combine highefficiency bifacial modules with smarter design, advanced modelling, and site-level optimisation to

surface, directly influences rear-side irradiance. Light-coloured surfaces

maximise energy yields.”

such as dry soil, sand, concrete, and specially designed reflective materials can provide higher reflected radiation than dark or vegetated surfaces. In India, where project conditions vary significantly between

Accurate modelling is particularly important because bifacial

desert, agricultural, rocky, and semi-arid regions, selecting the

gains are site-specific. Irradiance models should account for

appropriate ground treatment can materially affect bifacial gains.

module height, tilt, azimuth, row spacing, terrain, albedo, shading, and tracker movement. On-site measurements and realistic

Module height and row spacing are also important. Raising modules

assumptions can help reduce the risk of overstating expected

above the ground can increase the field of view available to the rear

generation. Performance monitoring should also separately

surface, while wider row spacing can reduce shading and allow more

evaluate front- and rear-side contributions wherever practical.

reflected light to reach the modules. However, excessive spacing increases land requirements and balance-of-system costs. Developers

India's diverse solar resource provides several opportunities for

therefore need to optimise the trade-off between rear-side irradiance,

bifacial deployment, particularly in high-irradiance regions where

land utilisation, shading losses, and project economics.

ground conditions and project layouts can support strong rearside gains. Large utility-scale projects in Rajasthan, Gujarat,

Tracker configuration can further influence bifacial performance.

Maharashtra, Karnataka, and other solar-rich states can benefit

Single-axis trackers can improve front-side energy production by

from optimised bifacial designs, while rooftop and distributed

following the sun, while their elevated and dynamic structure can also

applications may require more careful assessment because

provide favourable conditions for rear-side light capture. Tracker

surrounding structures and limited clearance can restrict rear-side

geometry, torque-tube design, module orientation, and row-to-row

irradiance.

spacing should therefore be evaluated specifically for bifacial modules rather than simply adopting designs developed for monofacial systems.

The next stage of bifacial PV adoption in India will therefore depend not only on higher-performing modules but also on

Electrical design is another important consideration. Bifacial modules

smarter system engineering. Optimising albedo, mounting height,

may produce higher peak output under favourable conditions,

row spacing, trackers, electrical sizing, and energy modelling can

requiring appropriate sizing of inverters, DC cables, combiner boxes,

convert bifacial capability into measurable additional generation.

and other electrical equipment. Developers should consider the

As module technologies continue to improve, project-level design

module's bifaciality factor, temperature characteristics, degradation

optimisation will become increasingly important for achieving

rate, and rear-side irradiance assumptions when conducting energy-

higher energy yields, better land productivity, and stronger long-

yield simulations.

term returns from India's solar PV assets.

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Technology Showcase Special l Sep-Oct Issue 2026

PRODUCT FEATURE

ReNew Solar Panels: From Integrated Manufacturing to Nationwide Solar Access

ndia's solar industry is entering a new phase, where manufacturing scale, technology advancement and resilient domestic supply chains are becoming central to the country’s clean energy ambitions. At the forefront of this transition, ReNew is strengthening its position across the solar value chain while expanding access to high-quality solar products through its dedicated retail brand, ReNew Solar Panels. A key pillar of this strategy is the development of an integrated domestic manufacturing value chain spanning ingots, wafers, cells and modules. ReNew currently has 6.5 GW of operational solar module manufacturing capacity and 2.5 GW of cell manufacturing capacity, with a new 4 GW of cell capacity coming into operation this year. Further advancing its backward integration strategy, the company recently commenced development of a 6.5 GW solar ingot and wafer manufacturing facility in Andhra Pradesh, with an investment of approximately ₹4,200 crore. The facility is expected to enhance domestic manufacturing capabilities across the solar value chain. The expansion represents an important step towards building greater selfreliance across the solar manufacturing value chain. By developing capabilities from upstream ingot and wafer production through cells to finished modules, ReNew aims to strengthen supply-chain resilience, reduce dependence on imported components and contribute to India’s Atmanirbhar Bharat mission.

Driving growth through technology While manufacturing scale is essential, technology remains a key differentiator in an increasingly competitive solar market. The company is preparing to introduce TOPCon DCR Cell Modules for the Indian market, addressing growing demand for high-performance, domestically manufactured solar products. TOPCon technology offers advantages in areas such as module efficiency, energy yield and long-term reliability, making it increasingly relevant as customers seek to maximise generation from available installation areas. The upcoming portfolio reflects ReNew’s focus on combining manufacturing scale with advanced solar technologies to meet the evolving requirements of India’s solar market. We also continue to focus on other critical aspects of value chain such as solar glass, aluminium frames, encapsulants to ensure highest standards of performance, durability and long-term reliability of finished solar modules. Stringent quality standards and robust manufacturing practices are designed to ensure consistency, durability and reliability, helping solar assets deliver dependable performance over their expected operating life of several decades.

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Technology Showcase Special l Sep-Oct Issue 2026

Bringing ReNew Solar Panels closer to customers ReNew’s manufacturing capabilities are complemented by a growing retail presence through ReNew Solar Panels. The dedicated retail-focused brand is designed to make quality solar modules more accessible to residential, commercial and rooftop customers across the country, backed by the manufacturing expertise and experience of the wider ReNew ecosystem. A robust pan-India distribution network is central to this strategy. Through its network of distributors, dealers and channel partners, ReNew Solar Panels is expanding product accessibility while supporting partners serving customers across diverse regional markets. Its portfolio also includes panels catering to requirements under the PM Surya Ghar initiative, strengthening its relevance to India’s rapidly expanding residential rooftop solar segment.

Supporting India’s clean energy transition ReNew’s recent “Clean Energy Humse Hai” brand campaign also celebrates India's collective clean energy journey and the people driving it every day. As the country advances towards a more sustainable and self-reliant future, solar energy is strengthening communities, supporting economic growth and enhancing energy security. Through investments in solar manufacturing, innovation and accessibility, ReNew Solar Panels is contributing to this transformation. The campaign reinforces the idea that the benefits of clean energy belong to everyone and that India’s progress is powered by collective action. As India accelerates towards a more self-reliant solar economy, domestic manufacturing will play an increasingly important role in ensuring energy security and sustainable growth. By bringing together integrated manufacturing, advanced technology, stringent quality processes and nationwide market reach, ReNew Solar Panels is building an ecosystem designed to support the next phase of India’s solar journey.

NEERAJ GUPTA Senior VP - Strategy & Commercial

ReNew

RESEARCH S T O R Y

HIGH-POWER MODULES AND LARGE-FORMAT PV: HOW 700W+ MODULES ARE CHANGING SOLAR EPC DESIGN

he Indian solar industry is moving rapidly toward higher-power

modules and larger-format photovoltaic (PV) designs. Modules rated above 700W are becoming increasingly relevant for utility-scale projects because they can deliver more power from each module while potentially reducing the number of modules, mounting structures, cables, and installation activities required for a project. The shift to 700W+ modules is being enabled by larger wafer sizes, advanced cell technologies, higher cell efficiency, and larger module dimensions. Technologies such as TOPCon, heterojunction (HJT), and back-contact architectures are supporting higher power output while maintaining improved conversion efficiency. However, higher module power does not simply mean replacing an older

700W+ MODULES Rthinking EPC design at larger scale

module with a larger one. It requires EPC companies to redesign several elements of the solar plant.

84m

One of the most visible changes is in module layout. Large-format

2.3

modules have greater length and width, increasing the physical area covered by each panel. EPC designers therefore need to evaluate row spacing, module orientation, tracker compatibility, transportation access, and installation procedures. On trackers, module dimensions and weight must be checked against torquetube capacity, motor loading, wind conditions, and mechanical tolerances. Electrical design also changes significantly. A 700W+ module generally operates with higher current than many conventional modules. This affects string sizing, inverter selection, DC cable ratings, connectors, combiner boxes, and protection equipment.

module handling equipment, and workforce practices may need

EPC engineers must ensure that the maximum operating current of

modification. Damage risks can increase if large panels are

the module remains within the current limits of the selected inverter

manually handled without appropriate procedures.

and other balance-of-system components. For Indian EPC developers, the transition toward 700W+ modules Higher-power modules can also influence the DC-to-AC ratio. With

therefore represents a broader engineering change rather than a

greater DC capacity per module, project designers can achieve the

simple increase in module wattage. The key objective is to optimize

desired plant capacity using fewer physical modules. This can

the entire system—from module selection and structural design to

simplify field installation and potentially reduce cable lengths and

electrical architecture, logistics, installation, and operations.

connection points. However, inverter loading, clipping, temperature effects, and generation profiles must be modelled carefully before

As large-format PV becomes more common, EPC competitiveness

finalizing the design.

will increasingly depend on the ability to integrate high-power modules into reliable, cost-efficient, and bankable plant designs.

Transportation and handling are becoming equally important. Large

The next phase of solar deployment will therefore be shaped not

modules require suitable packaging, logistics planning, lifting

only by how much power a module can produce, but by how

equipment, and installation methods. Site roads, storage areas,

effectively the complete PV system is engineered around it.

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COMPANY FEATURE

Sigenergy in India: Powering the Next Generation of Intelligent Energy

ndia’s energy landscape is evolving rapidly, driven by increasing renewable adoption, electrification, rising energy demand and

the need for greater grid flexibility. Sigenergy is contributing to this transition with an integrated portfolio of intelligent energy technologies designed for Residential, Commercial & Industrial (C&I), and Utility applications. At the core of Sigenergy’s offering are next-generation hybrid and on-grid solar inverters, designed to deliver AI-powered energy optimisation and advanced grid-management capabilities. Complementing these are all-in-one integrated PV + ESS + EV + EMS solutions, enabling customers to manage generation, storage, consumption and electric mobility through a connected energy ecosystem. Sigenergy offers scalable Energy Storage System (ESS) solutions, ranging from residential applications to utility-scale containerised systems with capacities of up to 6.26 MWh. Its AI-powered ESS architecture intelligently manages charging and discharging while supporting peak shaving, load shifting and Time-of-Use (TOU) optimisation. With battery systems engineered for up to 10,000 cycles, Sigenergy aims to deliver long-term performance and reliability for demanding energy applications. Safety remains fundamental to Sigenergy’s approach. Its energy storage solutions incorporate eight layers of multi-level safety protection, extending across the cell, module, pack and system levels. The architecture is designed to provide comprehensive protection while supporting the higher power requirements of modern energy systems.

analytics, intelligent scheduling, predictive insights and diagnostics into a unified digital experience. This enables users and energy operators to make more informed decisions while improving system visibility and performance. Sigenergy is also advancing the integration of electric mobility with renewable energy through bidirectional EV charging, enabling EVs to become an active component of the broader energy ecosystem rather than simply a source of electricity demand. Beyond hardware, Sigenergy is focused on simplifying the longterm management of energy assets. Its AI-powered O&M capabilities and Sigen Care provide intelligent diagnostics, predictive insights, remote monitoring and faster troubleshooting, helping make asset management more efficient and responsive. Looking ahead, Sigenergy’s VPP-ready architecture is designed to support emerging Virtual Power Plant applications, allowing distributed energy resources to be intelligently coordinated as India’s energy ecosystem evolves. Through a modular, scalable and intelligent technology platform, Sigenergy is working to enable higher renewable utilisation, greater energy independence and optimised system performance— helping shape a smarter, more connected and future-ready energy ecosystem for India.

For high-power solar applications, Sigenergy’s high-voltage, highcurrent and multi-MPPT architecture is designed to support modern high-power PV modules as well as utility-scale applications. This enables greater system flexibility and efficient integration of renewable generation with energy storage. The intelligence layer is further strengthened through the mySigen App 4.1, featuring the built-in Sigen Agent. The platform brings AIpowered energy management, real-time monitoring, remote control,

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Technology Showcase Special l Sep-Oct Issue 2026

HYBRID INVERTERS AND GRID-FORMING TECHNOLOGY: BUILDING THE FOUNDATION FOR SOLAR PLUS STORAGE

RESEARCH S T O R Y

ndia’s solar power sector is moving from standalone photovoltaic

generation

technology and BESS can therefore provide services such as

renewable penetration increases, hybrid inverters and grid-forming

frequency support, voltage regulation, ramp-rate control, and fast

technology are becoming important components for improving

response to disturbances.

system

toward

flexibility,

integrated

stability,

solar-plus-storage

and

reliability.

systems.

Together,

these

technologies can help solar plants operate more effectively as the

For India, the relevance of these technologies is increasing as solar

power system becomes increasingly inverter-based.

and wind capacity expands across geographically diverse regions. High renewable penetration can create periods of rapid changes in

A hybrid inverter combines the functions of a solar inverter and a

generation and require stronger balancing capabilities. Hybrid

battery energy storage system interface within a coordinated power-

inverter systems can help manage energy flows at the plant level,

conversion platform. It can convert DC electricity generated by solar

while grid-forming functionality can strengthen the ability of

modules into AC power for the grid or loads while also managing

renewable and storage assets to interact with an increasingly

battery

inverter-dominated electricity network.

charging

and

discharging.

Depending

system

configuration, the inverter can store surplus solar generation during periods of low demand and supply that energy when solar output

However, large-scale deployment requires careful attention to

declines.

inverter controls, battery sizing, protection systems, communication standards, cybersecurity, and grid-code compliance. Interoperability

For commercial and industrial consumers, hybrid inverters can

between solar modules, BESS, inverters, energy-management

support peak-load management, backup power, energy shifting, and

systems, and utility networks is also critical.

greater utilisation of rooftop solar generation. At utility scale, similar power-conversion

architectures

can

coordinate

photovoltaic

The next generation of solar PV projects is therefore likely to be

generation with large battery energy storage systems (BESS),

designed not simply as electricity-generation assets, but as flexible

enabling renewable electricity to be dispatched according to grid

power-system resources. Hybrid inverters provide the control

requirements rather than only according to instantaneous solar

architecture for combining solar and storage, while grid-forming

availability.

technology can give these assets a more active role in maintaining grid stability. Together, they are helping establish the technical

The technology becomes more significant when combined with grid-

foundation for a more flexible, resilient, and storage-enabled solar

forming capabilities. Conventional grid-following inverters generally

power system in India.

depend on an existing grid voltage and frequency reference to synchronise their operation. This approach works effectively in systems dominated by conventional synchronous generators, which naturally provide voltage and frequency support. Grid-forming inverters operate differently. They can establish and regulate a voltage and frequency reference, allowing inverter-based resources to contribute more actively to grid stability. When configured appropriately, they can support operation during weakgrid conditions and potentially maintain an electrical island when

As India’s grid becomes increasingly inverter-based,

sufficient generation and storage resources are available.

solar-plus-storage will become

Battery storage is particularly important for grid-forming applications

central to flexibility, reliability,

because batteries can respond rapidly to changes in power demand and generation. A solar plant equipped with grid-forming inverter

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Technology Showcase Special l Sep-Oct Issue 2026

and resilience.” 36

LEADERSHIP VOICES

WILLIAM GUI General Manager Sineng Electric Asia-Pacific

Sineng Electric Bets Big on India's Grid-Forming Storage Future Key Headlines: India's storage market is set for growth on solar and wind expansion, with buyers valuing grid responsiveness and lifecycle cost over capacity. Grid-forming PCS is key to stabilizing weak grids. Sineng validated black-start and is landing at a 1.44 GWh BESS project in Gujarat, and its PCS is built for India's heat and harsh conditions. Sineng is backing India for the long term, with a 20 GW-capacity local factory, 280+ employees and seven service centers.

How do you see India’s energy storage market evolving over the next 3–5 years?

We expect strong growth in India’s energy storage market over the next three to five years, driven by the expansion of solar and wind power and the need for a more flexible electricity system. Storage will become increasingly important for balancing renewable generation, meeting peak demand and maintaining a stable power supply. We see significant opportunities in both standalone BESS and storage co-located with renewable energy projects. As the market develops, customers will increasingly look beyond how much energy a system can store to how effectively it responds to grid needs. Efficiency, operational flexibility and grid-forming capability will therefore become more important, together with reliability and lifecycle costs. The pace of deployment will depend on how quickly awarded projects progress through financing, grid connection and commissioning. Close coordination between developers, utilities and technology providers will be essential to bringing these projects into operation and meeting performance expectations.

What are the key technology requirements for utility-scale BESS projects in India?

System design and equipment selection should be guided by the project’s operating requirements, including how often the system will charge and discharge, the grid services it needs to provide and the conditions in which it will operate. Safety and reliability are fundamental. In India, high ambient temperatures make effective thermal management essential to maintaining system performance and availability over time. Our 1.725 MW central PCS, for example, uses composite

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temperature control technology to keep the core cabinet temperature rise below 10 K. Additionally, it features IP65-rated protection and C5-rated corrosion to support reliable operation in harsh environments. Grid integration is equally important. The PCS must work reliably with the batteries and plant control systems and respond effectively to changing grid conditions. As renewable energy penetration increases, grid-forming capabilities will play a greater role in supporting voltage and frequency stability.

How can grid-forming PCS technology support India’s growing renewable energy grid?

As solar and wind account for a larger share of India’s electricity supply, the grid will need additional resources to maintain stable voltage and frequency. Grid-forming PCS allows battery storage to contribute directly by establishing a voltage and frequency reference and responding to changes in the power system. This is particularly valuable in areas with weak grid connections. Our experience in Gujarat provides a practical example. At a 1.44 GWh BESS project, we have validated the black-start capability of our PCS through a series of tests. Grid-forming (Virtual Synchronous Generator, VSG) commissioning and control parameter optimization to enhance system stability and dynamic response. Seamless transition from on-grid operation to islanded operation following utility grid separation. Black start capability and progressive restoration of the electrical network using a single grid-forming 2 MW Central PCS unit. Parallel operation and power sharing between grid-forming and grid-following PCS units to ensure coordinated system operation. Dynamic voltage and frequency regulation under varying load conditions to validate the system’s adaptability and resilience. These results show how grid-forming storage can contribute to both stable operation and power restoration.

Technology Showcase Special l Sep-Oct Issue 2026

What lessons from Sineng Electric’s global energy storage experience can be applied to India’s large-scale BESS deployment?

Our global experience has shown that a successful storage project starts with understanding where and how it will operate. Climate, grid conditions and daily operating demands vary from market to market, and system design needs to reflect those differences. For India, this means drawing on international experience while adapting solutions to local project requirements. Another lesson is the importance of delivering value throughout the project lifecycle. At Sineng, this means improving efficiency, maintaining high availability and simplifying maintenance. These priorities guide our approach to India’s large-scale BESS projects, helping customers achieve reliable operation and long-term value from their investment.

What is Sineng Electric’s longterm strategy for India’s energy storage market?

India is a key market for Sineng Electric. Our longterm strategy is to build on our established local presence and apply our global expertise in PCS technology and energy storage projects to support the sector’s growth in India. We already have a strong foundation in India: an 8,900 m² manufacturing facility with an annual production capacity of 20 GW, more than 280 local employees, seven service centers, seven spare-parts centers and two regional marketing centers. This network brings us closer to customers and supports project delivery, technical service and ongoing maintenance. On the technology side, we will continue to develop our offering across central and string PCS, with a focus on efficient power conversion, reliability and advanced grid-forming capabilities. Working closely with developers, utilities and system integrators will help us align these solutions with India’s evolving grid and project requirements. Our aim is to be a long-term technology partner, supporting customers in deploying energy storage that strengthens grid resilience and advances India’s energy transition.

SOLAR PLUS STORAGE IN INDIA: HOW ADVANCED BESS AND HYBRID TECHNOLOGIES ARE ENABLING ROUND-THE-CLOCK RENEWABLE POWER

RESEARCH S T O R Y

ndia’s solar power sector is moving from simple daytime generation

India is simultaneously developing policies, tenders and financial

toward integrated renewable energy systems capable of supplying

mechanisms to accelerate energy storage deployment. Large-

electricity across the full 24-hour cycle. Solar-plus-storage projects are

scale procurement of BESS, viability-gap funding and renewable-

becoming an important part of this transition, combining photovoltaic

plus-storage tenders are helping create a market for longer-

(PV) generation with Battery Energy Storage Systems (BESS) to

duration storage. The growing requirement for storage alongside

manage the intermittent nature of solar power.

new renewable capacity is also encouraging developers and technology suppliers to focus on system-level optimisation rather

A solar-plus-storage plant typically uses solar modules, power

than treating batteries as standalone assets.

conversion systems, energy management systems and BESS. During periods of strong solar generation, excess electricity can be stored in

The next phase of solar PV development will therefore be

batteries instead of being curtailed or exported when grid demand is

increasingly integrated. Higher-efficiency modules, advanced

low. The stored energy can then be discharged during evening peak

inverters, digital forecasting, intelligent EMS platforms and larger-

demand, at night or during periods of low solar generation.

duration BESS can work together to convert variable solar generation into a more flexible and predictable power resource.

Lithium-ion batteries, particularly lithium iron phosphate (LFP) technology,

currently

because

their

dominate

energy

utility-scale

density,

efficiency

BESS

applications

As India targets a power system with a much larger share of

and

increasingly

renewable energy, solar-plus-storage is emerging as a key

competitive costs. However, technological development is expanding

technology pathway for balancing clean generation with demand.

beyond conventional lithium-ion systems. Sodium-ion batteries, flow

The combination of advanced PV and BESS can improve grid

batteries and other emerging chemistries are being evaluated for

flexibility, reduce renewable curtailment and support a more

applications requiring longer duration, improved safety or reduced

reliable transition toward round-the-clock renewable electricity.

dependence on specific critical minerals. Advanced Battery Management Systems (BMS) are also improving operational performance. These systems monitor cell voltage, temperature, state of charge and state of health, helping operators optimise charging and discharging while maintaining battery safety and extending asset life. Energy Management Systems (EMS) coordinate solar generation, battery operation and grid requirements in real time. Hybrid renewable projects are taking this concept further by combining solar with wind and storage. Wind generation can complement solar production because wind resources may be available during evening and nighttime hours. Adding BESS provides another layer of flexibility, allowing renewable generators to deliver scheduled power instead of depending entirely on real-time solar availability. For India, this flexibility is particularly important as renewable penetration increases. Grid-scale storage can provide peak shifting, frequency regulation, ramp-rate control and other ancillary services. It can also help renewable projects meet firm and dispatchable power requirements under round-the-clock renewable energy contracts.

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LEADERSHIP VOICES

YOGENDRA YADAV

Manager- Supply Chain Management Sungrow

Powering Resilience: How India's Renewable Energy Supply Chain Is Rewiring Itself Key Headlines: India's renewable energy supply chain has shifted from import-dependent and fragmented to domestic, integrated, and tech-driven, backed by Make in India and local manufacturing push. Smart inventory practices—demand forecasting, ABC classification, safety stock, and real-time tracking—paired with diversified logistics partners are key to overcoming customs delays and ensuring equipment availability. The road ahead centers on AI-based forecasting, automation, and local sourcing to build a more agile, resilient, and sustainable supply chain.

How has supply chain management evolved in India’s renewable energy sector?

India’s renewable energy supply chain has evolved from a system that was heavily dependent on imports and fragmented procurement into a more domestic, integrated, and technology-driven system. Government initiatives such as Make in India and policies promoting domestic manufacturing have encouraged local production of renewable energy components. At the same time, companies are focusing on diversifying suppliers, reducing costs, improving logistics, using digital tracking systems, and strengthening supply-chain resilience. This evolution has made the sector more efficient, competitive, and better prepared to manage global supply disruptions.

What strategies are most effective for optimizing warehouse and inventory management while ensuring timely availability of critical solar and energy equipment?

The most effective strategies include accurately forecasting demand, maintaining safety stock for essential items, classifying inventory using the ABC method, implementing real-time inventory tracking, diversifying suppliers, and conducting regular stock audits. These strategies help maintain the right inventory levels, reduce excess stock and storage costs, and minimize the risk of shortages. They also ensure the timely availability of critical solar and energy-related equipment, supporting smooth and uninterrupted operations.

How are procurement and vendor management strategies changing in the renewable energy industry?

Procurement is increasingly shifting toward local sourcing, a diversified supplier base, long-term contracts, and stronger vendor partnerships. This approach places greater emphasis on quality, cost efficiency, supply reliability, and proactive risk management, enabling organizations to build more resilient and sustainable supply chains.

What are the key transportation and customs challenges, and how can companies build more resilient logistics?

Key logistics challenges include transport delays, high freight costs, customs clearance difficulties, and documentation issues. Supply-chain resilience can be strengthened by working with multiple logistics partners, implementing realtime shipment tracking, ensuring accurate and timely documentation, developing alternative transportation routes, and increasing the use of local sourcing.

The future of

Looking ahead, what technologies and supply chain practices will be most important in building a more agile, efficient, and sustainable renewable energy supply chain in India?

Key priorities will include AI-based forecasting, real-time tracking, automation, digital inventory management, local sourcing, supplier diversification, and sustainable logistics. Together, these measures can strengthen agility, improve operational efficiency, enhance supplychain resilience, and promote greater sustainability across India’s renewable energy supply chain.

renewable procurement is local, diversified, and built around stronger supplier partnerships—creating more resilient, reliable, and sustainable supply chains.”

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LEADERSHIP VOICES

JAKE MORIN Chief Product Officer, Nextpower

Adapt the Tracker to the Site, Not the Site to the Tracker": Inside Nextpower's India Engineering Playbook Key Headlines: Nextpower engineers trackers for lifetime reliability, not just peak energy yield, especially across India's varied terrain and wind conditions. The NX Horizon® platform is built for India's climate extremes — withstanding 240 km/h winds, cyclones, and monsoon flooding. The new Hyderabad R&D center marks India's shift from a solar deployment market to a global innovation hub, backed by 95%+ local sourcing

As India’s utility-scale solar market expands across increasingly diverse and challenging site conditions, how is the role of tracker technology changing in determining project viability and long-term performance?

The value of a solar tracker during a project’s lifecycle includes both energy yield gains and reducing performance risks under real operating conditions. As utility-scale solar expands across increasingly diverse terrain, soil and wind conditions, developers are increasingly focused on how reliably the tracker can deliver energy throughout the project lifecycle, making resilience, construction efficiency and long-term reliability important factors in overall project viability. This is where tracker system design engineering and control technology is becoming even more critical. The ability of a tracker to adapt to site conditions, withstand environmental stresses and maintain performance over the asset lifecycle will increasingly determine the reliability and economics of a project. Terrain, soil characteristics, wind loading and severe weather can influence installation complexity, structural stability, operational reliability and project economics. At Nextpower,

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we address this through detailed site assessment, integrated foundation solutions built for specific ground conditions, and tracker engineering

An important starting point therefore is to acknowledge that designing a solar tracker is not the same as designing a conventional

designed around the conditions in which the system will operate. Wind resilience becomes increasingly important as projects move into higher wind zones. Trackers must respond to dynamic wind conditions while maintaining structural integrity. Nextpower combines structural design, with intelligent stow algorithms to manage environmental loads and

building. Building codes provide an essential baseline for structural safety, but a utility-scale solar plant is a distributed asset consisting of thousands of trackers spread across a very large area. The engineering challenge is therefore to understand the conditions the plant will experience over its design life and engineer the system appropriately for those conditions.

protect asset availability over the project lifecycle. Similarly, challenging soil conditions can create

This is particularly important in a CAPEX-

settlement, alignment and construction risks. Nextpower addresses these through site specific

sensitive market such as India. Designing every tracker for increasingly rare combinations of

foundation engineering, including traditional piles, NX Earth Truss™ and NX Anchor™ foundation systems, reducing dependence on extensive earthworks while supporting long term structural stability and alignment.

extreme conditions can require additional steel, larger foundations and other structural measures across an entire project, with significant implications for CAPEX and ultimately LCOE. The objective is to develop a bankable system engineered for reliability, with the right structural solution for the project conditions, while delivering the lowest practical LCOE.

Intelligent controls, weather responsive operation and remote software capabilities enable the system to adapt to changing conditions, while resilient mechanical and foundation design protect the asset.

India remains a highly costsensitive solar market. How do you balance the need to reduce tracker and installation costs with structural reliability, durability and energy yield?

In a cost-sensitive market like India, we believe the right way to look at tracker economics is across the entire project lifecycle, rather than focusing only on initial equipment cost. The objective is not to reduce cost by compromising structural reliability, durability or energy yield. It is to engineer cost out of the system through localisation, efficient design and simplified installation, while ensuring the system is engineered for reliability and supports the customer’s target project returns.

Technology Showcase Special l Sep-Oct Issue 2026

The same engineering rigor applies to structural design. Rather than using a standard approach across different sites, our tracker and foundation solutions are engineered around terrain and soil conditions. This allows us to manage structural requirements while avoiding unnecessary material and civil work. Energy yield is then optimised through our independent row tracking architecture and TrueCapture® software. Using machine learning and real time sensor inputs, it creates a dynamic view of plant conditions and adjusts individual tracker rows based on weather, shading and terrain. This enables the system to respond to uneven or sloping sites and improve energy capture without relying simply on additional hardware.

LEADERSHIP VOICES Localization improves supply-chain efficiency, while design features such as preassembled components, fewer fasteners and integrated foundation solutions help reduce installation

natural land contours, reducing the need for extensive grading and earthwork. This can simplify construction while reducing disruption to the site and allowing projects to be developed across more

complexity, labour requirements and construction time. More than 95% of our components in India are locally sourced, supported by engineering

challenging terrain.

solutions tailored to local site conditions.

tracker to the site rather than forcing the site to adapt to the tracker. That approach is increasingly important in India, where projects need to deliver reliable performance across very different climatic and geographical conditions.

And at Nextpower, we are taking that philosophy beyond the tracker itself. We continue to work toward a fully integrated power plant solution that brings together structure, foundations, controls, software, power conversion and plant-level intelligence. The goal is to optimize the performance of the plant as a complete system— delivering the highest reliability and lowest LCOE, while helping our customers achieve their target project returns.

How are conditions unique to India including monsoons, cyclones, high winds and challenging terrain—shaping the design and engineering of the NX Horizon® tracker platform?

The broader engineering philosophy is to adapt the

What does the Hyderabad Center for Solar Excellence mean for India’s role in Nextpower’s global engineering and innovation?

The Hyderabad Center for Solar Excellence represents an important shift in India’s role within Nextpower’s global engineering and innovation ecosystem. India is not only a major market for solar deployment, but is increasingly becoming a centre for developing, testing and commercialising technologies that can address the needs of complex solar markets.

India’s operating environment requires tracker platforms to be designed around real site conditions rather than treated as a standardised solution. Monsoons, cyclones, high wind zones

The 13-acre facility is our largest global research and development centre outside the United States, with a 30,000 square foot laboratory supporting the

and uneven terrain all influence how we engineer the NX Horizon® system, with a focus on structural resilience, asset protection and ease of installation.

engineering, as well as construction, operations and maintenance. This gives our teams the ability to

In high wind and cyclone prone regions, NX Horizon® uses symmetric mechanical dampers to manage dynamic loads and reduce twisting forces on the structure. The platform is engineered for wind gusts of up to 240 km/h over three second intervals, supported by intelligent stow modes that automatically position the modules to protect the system during severe weather. Each row also has independent backup power, allowing the tracker to move to a safe position even during a grid outage. Monsoon conditions also require protection against flooding and prolonged water exposure. NX Horizon® uses elevated component placement and ground clearance of more than 1.3 metres in standard configurations, helping protect critical drive and electrical components in flood prone locations. Terrain is another important consideration in India, particularly across rocky and undulating sites. The NX Horizon-XTR® architecture follows

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development and testing of tracker technologies across structural, mechanical and electrical

bring local project requirements and field experience directly into product development. India’s manufacturing ecosystem is an important part of this capability. With more than 95%[CC1] of components for our products in India sourced locally, the centre works alongside a growing domestic supply chain and engineering talent base. [TB2] This creates a stronger connection between product development, manufacturing and deployment. The centre also has an important role in developing local workforce capabilities across the broader solar ecosystem through PowerworX Academy, providing hands on training for engineers, EPCs and installers across tracker design, installation, commissioning, software and operations. For us, the larger significance is that innovation in Hyderabad is not limited to solving for India. The engineering capabilities, testing infrastructure, that includes module compatibility testing, Automatic Cleaning Robotic (ARCS) qualification of OEM with NX Horizon® Product, and learnings developed here

Technology Showcase Special l Sep-Oct Issue 2026

can contribute to solutions for diverse markets globally. It reinforces India’s position as both a major solar market and an important contributor to the next generation of solar technology.

Looking ahead, which tracker innovations—such as independent row tracking, selfpowered controls and terrainfollowing capabilities—do you believe will have the biggest impact on the next generation of utility-scale solar projects?

Among the emerging utility-scale solar tracker innovations, I believe terrain following capabilities and independent row tracking will have the most profound impact on the next generation of projects. As the availability of flat, optimal land decreases, developers will increasingly need to build across complex and uneven terrain. Terrain-following technology can expand the pool of economically viable sites by reducing the need for extensive grading, earthwork and land preparation. This can lower upfront civil costs, reduce construction time, and make sites that were previously difficult or uneconomic to develop more commercially viable. Independent row tracking has a direct impact on the revenue side of the equation. By allowing each row to respond to its specific terrain, shading and weather conditions, the system can improve energy capture across the available land. Technologies such as TrueCapture® advanced energy control enable this level of optimisation, helping maximise generation from every unit of land deployed. The financial impact therefore comes from both sides of the project equation. Terrain adaptability can reduce the cost of making a site buildable, while independent row tracking can increase the energy generated from that site. Together, these capabilities can improve land utilisation, reduce project development costs and increase lifetime energy generation, ultimately strengthening project returns. As land constraints become more pronounced and developers focus increasingly on project economics, I believe these technologies will be among the most important drivers of value in the next generation of utility scale solar.

Knowledge Byte

Solar Beyond 2030: Emerging Trends That Could Reshape India’s PV Industry I

ndia’s solar PV industry is entering a phase where growth will increasingly

Digitalisation will also reshape operations. Artificial intelligence,

depend on technology, manufacturing depth, system integration, and the

drones, satellite imagery, predictive maintenance, digital twins and

ability to deliver reliable power rather than simply adding capacity. India had

automated inspection can help operators identify module defects,

reached about 168.04 GW of installed solar capacity by August 31, 2026,

optimise cleaning schedules and improve plant performance.

including 123.99 GW of ground-mounted solar, 32.59 GW of rooftop solar

Data-driven asset management could become a major source of

and 4.83 GW of solar capacity in hybrid projects.

value as India's operating solar fleet expands. Rooftop and decentralised solar will remain another important growth area. The expansion of residential rooftop programmes, commercial and industrial systems, agricultural solarisation and distributed generation could make solar more integrated into India's electricity consumers and rural economy. Schemes such as PM-KUSUM are already creating pathways for decentralised solar generation and agricultural applications. Floating solar, agrivoltaics, building-integrated photovoltaics and solar installations on industrial infrastructure could further expand the addressable market where land availability is constrained. Finally, the industry will increasingly need to address circularity

Beyond 2030, module efficiency is likely to become one of the most

and end-of-life management. With large volumes of modules

important competitive factors. TOPCon, heterojunction (HJT), back-contact

expected to reach retirement after decades of operation, recycling,

and other advanced n-type technologies could gradually replace older

material recovery, refurbishment and second-life applications

architectures as manufacturers seek higher power output from the same

could develop into significant businesses.

land area. Larger wafer formats, higher-power modules and improved bifacial performance can further increase energy generation from utility-

For solar leaders, the post-2030 opportunity therefore extends

scale projects. For Indian manufacturers, the challenge will be to combine

beyond adding gigawatts. The next phase could be defined by

higher efficiency with competitive costs, product reliability and long-term

higher-efficiency technologies, domestic supply chains, storage

performance.

integration, digital operations, new deployment models and circular manufacturing. India’s leadership in solar will increasingly

Domestic manufacturing could also become more integrated. India has

depend on how effectively the industry converts scale into

already crossed the 100 GW milestone for solar module manufacturing

technological capability, resilience and long-term value.

capacity under the Approved List of Models and Manufacturers (ALMM), while the framework has expanded to cover solar PV cells. The next stage could involve deeper domestic capabilities across polysilicon, wafers, cells, modules, glass, encapsulants, backsheets, and other components. This would reduce supply-chain exposure while creating opportunities for Indian companies to participate in global solar manufacturing. Another major shift will be the movement from standalone solar generation

Beyond 2030, India’s solar growth will

toward solar-plus-storage. As solar penetration increases, batteries, pumped

increasingly depend on technology,

storage, hybrid projects and advanced power-management systems will become increasingly important for balancing supply and demand. Solar

manufacturing depth and the ability to

projects may increasingly be designed around firm power, peak-hour

deliver reliable power—not simply on

delivery and grid requirements rather than only daytime generation.

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Technology Showcase Special l Sep-Oct Issue 2026

adding capacity.”

BEYOND PERC: THE RISE OF N-TYPE SOLAR CELLS IN INDIA’S UTILITY-SCALE PV PROJECTS

RESEARCH S T O R Y F

or more than a decade, PERC technology remained a major choice

The technology shift is already visible in large Indian procurement

for crystalline-silicon solar modules because it offered a balance

programmes. Vikram Solar received an order for 378.75 MW of n-

between efficiency, manufacturing maturity, and cost. However,

type TOPCon modules for the 600 MW Nakhatrana solar project in

India’s utility-scale solar market is increasingly moving beyond PERC

Gujarat. SAEL has also reported 1 GWp of module supply orders,

toward n-type technologies, particularly Tunnel Oxide Passivated

including a 585.8 MWp requirement for NTPC Renewable Energy’s

Contact (TOPCon). The transition is being driven by the need for

Chitrakoot project in Uttar Pradesh, using n-type TOPCon

higher energy yield, better land utilisation, lower degradation, and

technology.

improved lifetime project economics. The transition also requires changes in project engineering. Higher The key difference between PERC and n-type technologies is the

module

silicon wafer and cell-contact structure. Conventional PERC cells

influence tracker selection, structural loading, inverter compatibility,

generally use p-type silicon, while TOPCon uses an n-type silicon

string configuration, and transportation. Developers must therefore

wafer with a very thin tunnel oxide layer and a doped polysilicon

evaluate complete system performance rather than comparing

contact.

modules only on ₹/Wp.

This

passivated

contact

structure

reduces

carrier

wattage,

dimensions,

and

electrical

characteristics

recombination and enables higher cell efficiencies. Reliability is equally important. Utility-scale projects operate for For utility-scale projects, higher module efficiency has direct

decades under dust, humidity, thermal cycling and mechanical

implications for plant design. More power can be installed within a

stress. Product warranties, degradation guarantees, encapsulation

similar land footprint, potentially reducing land requirements per MW.

technology, independent testing and field-performance data should

Higher-power modules can also reduce the number of modules,

form part of module procurement decisions.

mounting

structures,

cables,

and

other

balance-of-system

components required for a given plant capacity. However, these

India’s domestic manufacturing expansion is further supporting the

benefits depend on module dimensions, site conditions, and overall

move toward n-type products. TOPCon is emerging as an important

system design.

bridge between established PERC manufacturing and future highefficiency technologies such as perovskite-silicon tandem cells.

Another important advantage of n-type modules is their strong compatibility with bifacial technology. In ground-mounted solar

The shift beyond PERC therefore represents more than a change in

parks, bifacial modules can capture reflected sunlight from the rear

cell architecture. For India’s utility-scale solar industry, n-type

side and increase energy generation. The actual gain depends on

technology is becoming part of a broader strategy focused on

ground albedo, tracker height, row spacing, shading, module design,

higher lifetime generation, efficient land use, improved reliability,

and local weather conditions. Therefore, developers increasingly

and lower overall cost of electricity.

assess modules on lifetime energy yield rather than nameplate capacity alone. India’s high-temperature operating environment also makes cell temperature and degradation important considerations. N-type architectures can offer favourable temperature characteristics and lower degradation compared with earlier-generation p-type products. Over a project life of 25 years or more, even small differences in annual degradation can have a significant impact on cumulative energy generation and project revenue.

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Knowledge Byte

Strategic Priorities Shaping The Future Of India’s Solar Industry I

ndia’s solar industry has entered a phase where future growth will depend

Domestic manufacturing will also shape the industry's long-term

not only on adding capacity but also on building a stronger, more

competitiveness. India has expanded its manufacturing ecosystem

competitive, and reliable energy ecosystem. As solar power moves deeper

through policy support, including production-linked incentives and

into India’s electricity mix, strategic priorities are shifting from rapid

the Approved Lists of Models and Manufacturers. The strategic focus

deployment to long-term value creation, technology leadership, grid

is now moving beyond module assembly toward wafers, cells, ingots,

integration and domestic manufacturing.

polysilicon, inverters, solar glass, backsheets, and other components. A deeper domestic supply chain can reduce exposure to international disruptions while creating opportunities for Indian manufacturers in global markets. Financing will remain critical as the industry requires large amounts of capital. Developers and investors are increasingly looking at project quality,

long-term

power

purchase

agreements,

merchant

opportunities, storage integration, and operational performance. Green bonds, infrastructure investment trusts, sustainability-linked financing and other instruments can expand the pool of capital available for solar and related infrastructure. Grid infrastructure is another key area requiring leadership attention. Large-scale renewable projects need timely transmission availability, One of the most important priorities is maintaining the pace of solar

flexible

capacity addition. India has set ambitious renewable-energy targets,

Strengthening interstate transmission networks, forecasting and

generation

and

advanced

grid-management

systems.

making utility-scale solar, rooftop systems, distributed solar and

scheduling systems, demand-side management and ancillary services

hybrid projects important parts of the energy transition. The next

will become increasingly important as renewable penetration rises.

phase will require faster project execution, efficient land and transmission planning, easier approvals and stronger coordination

Rooftop and distributed solar will also require continued attention.

between developers, utilities, regulators and financing institutions.

Programmes such as PM Surya Ghar are expanding the residential rooftop market, while commercial, industrial and agricultural

Energy storage is also becoming central to India’s solar strategy. As

consumers offer additional opportunities. Simplified approvals,

solar generation varies throughout the day, Battery Energy Storage

reliable net-metering frameworks, financing options and consumer

Systems (BESS) can help shift electricity from periods of high solar

awareness can support wider adoption.

generation to periods of higher demand. The growth of solar-plusstorage and firm renewable power projects could therefore become

Finally, India’s solar leadership will increasingly depend on skills,

an important pillar of India’s future power system. Lower battery costs,

research and global collaboration. Developing a workforce capable of

domestic cell manufacturing and appropriate market mechanisms will

managing advanced manufacturing, storage, digital systems and

be important for scaling storage economically.

large renewable portfolios will be essential. At the same time, Indian companies can strengthen their position by investing in research,

Technology development will remain another strategic priority. Indian

exporting technology and participating in international clean-energy

companies are increasingly evaluating high-efficiency technologies

markets.

such as TOPCon, heterojunction and back-contact modules. Improvements in module efficiency, bifacial generation, power

The future of India’s solar industry will therefore be shaped by a

electronics, trackers, inverters and digital monitoring can increase

combination of capacity growth, technology, storage, manufacturing,

energy output from available land. Artificial intelligence, predictive

finance, transmission and human capability. Strategic leadership will

analytics, drones and advanced asset-management platforms can

be about connecting these priorities into one integrated ecosystem

further improve plant performance and reduce operating costs.

that can deliver affordable, reliable and increasingly competitive clean electricity for India’s next phase of growth.

INDIA

Technology Showcase Special l Sep-Oct Issue 2026

TECHNOLOGY RACE IN SOLAR: HOW INNOVATION WILL DEFINE THE NEXT DECADE OF PV GROWTH

RESEARCH S T O R Y I

ndia’s solar power sector is entering a technology-driven phase in

Solar-plus-storage will increasingly connect PV technology with

which future growth will depend not only on adding capacity, but

battery innovation. As solar penetration rises, batteries can shift

also

yield,

electricity from daytime production to evening demand and

manufacturing quality, and system flexibility. As module prices

support grid stability. Improvements in lithium-ion battery

decline and land, grid connectivity, and project economics become

chemistry, battery management systems, thermal management,

more important, solar technology innovation will play a major role

safety, and emerging technologies such as sodium-ion batteries

in determining how quickly photovoltaic (PV) capacity can expand.

could broaden storage applications. Hybrid inverters and grid-

improving

efficiency,

reliability,

energy

forming capabilities will also become increasingly important for One of the biggest technology shifts is the movement from

renewable-heavy power systems.

conventional PERC modules toward advanced n-type technologies such as TOPCon, heterojunction (HJT), and back-contact cells.

Artificial intelligence and digitalisation will add another layer of

These technologies offer higher conversion efficiencies, better

innovation. Advanced monitoring platforms can analyse module-

temperature

level performance, identify faults, predict equipment failures,

performance,

lower

degradation,

and

improved

energy generation.

optimise tracker operation, and improve preventive maintenance. Digital twins and satellite-based analytics can help operators

TOPCon is currently gaining strong adoption because it can deliver

identify underperforming areas and improve plant availability.

higher efficiency while using manufacturing infrastructure that is relatively compatible with existing crystalline silicon production.

India’s manufacturing ecosystem will also be central to the

HJT and back-contact technologies are also developing rapidly,

technology race. Domestic investment in polysilicon, wafers,

particularly for applications where maximum power density and

cells, modules, power electronics, and specialised manufacturing

long-term performance are priorities.

equipment

can

strengthen

supply-chain

resilience

while

supporting technology development. The next decade is also expected to bring wider deployment of high-power modules exceeding 700 W. Larger wafer formats,

Ultimately, the next decade of PV growth will be defined by the

improved

combination of higher-efficiency cells, smarter system design,

cell

designs,

thinner

silicon

wafers,

and

better

metallization are helping manufacturers increase module output.

advanced

However, higher module power must be matched by compatible

manufacturing capabilities. As India moves toward larger-scale

storage,

digitalisation,

and

stronger

domestic

trackers, inverters, cables, mounting structures, and installation

renewable deployment, continuous technological innovation will

practices. Standardisation will therefore become increasingly

be critical to reducing the levelised cost of electricity, improving

important as the industry moves toward larger and more powerful

project performance, strengthening grid integration, and making

modules.

solar power more reliable and competitive.

Bifacial technology will remain another important growth area. By capturing reflected sunlight from the rear side of the module, bifacial systems can increase energy generation compared with conventional front-side-only designs. Their performance depends strongly on factors such as ground reflectivity, module height, row spacing, tracker configuration, and site conditions. Better system design and digital modelling can help developers capture greater value from bifacial generation.

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Technology Showcase Special l Sep-Oct Issue 2026

INDIA

Technology Showcase Special l Sep-Oct Issue 2026

AI AND DIGITAL TECHNOLOGIES TRANSFORM SOLAR PV ASSET MANAGEMENT IN INDIA

RESEARCH S T O R Y I

ndia’s solar power sector is expanding rapidly, making efficient asset

AI models can provide more accurate generation estimates. Better

management increasingly important for plant owners, operators, and

forecasting can help developers and utilities manage scheduling,

investors. As solar portfolios become larger and more geographically

grid integration, and deviations more effectively, particularly as

distributed,

traditional

renewable penetration increases.

scheduling

maintenance

methods are

monitoring

becoming

less

equipment

effective.

and

Artificial

intelligence (AI), machine learning, Internet of Things (IoT), drones and

For India, these technologies are especially relevant because many

advanced data analytics are therefore emerging as important

solar projects are located across diverse climatic and geographical

technologies for improving solar PV asset performance.

conditions. Dust accumulation, high temperatures, humidity, monsoon conditions, and grid disturbances can affect plant

Modern solar plants generate large volumes of operational data from

performance differently across regions. Digital monitoring can help

inverters, weather stations, SCADA systems, smart meters and other

operators

equipment.

optimise cleaning, maintenance and replacement schedules.

AI-based

platforms

can

analyse

this

information

identify

location-specific

performance

issues

and

continuously to identify abnormal operating patterns. Instead of waiting for equipment failure, operators can use predictive analytics to

However,

successful

digitalisation

requires

reliable

data,

identify early signs of inverter faults, module degradation, tracker

compatible communication systems, cybersecurity and skilled

problems, cable issues, and other performance losses.

personnel. Poor-quality sensor data or disconnected systems can reduce the effectiveness of AI models. Companies also need clear

One of the most important applications is predictive maintenance.

protocols for data ownership, system integration and cybersecurity.

Machine-learning models can compare current operating conditions with historical performance and expected generation. When the system

The future of solar asset management in India is therefore likely to

detects unusual behaviour, it can alert operators before a minor

move

problem develops into a major outage. This can reduce downtime,

increasingly autonomous operations. AI and digital technologies

improve equipment availability, and potentially lower maintenance

can help asset owners maximise generation, extend equipment life,

costs.

reduce operational risks and improve the financial performance of

from

reactive

maintenance

toward

predictive

and

solar projects. As India builds a larger and more complex solar fleet, Digital technologies are also improving module inspection. Drones

digital intelligence will become an increasingly important part of

equipped with thermal and high-resolution cameras can survey large

managing PV assets efficiently and reliably.

solar parks much faster than manual inspection. Thermal imaging can identify hotspots, defective cells, bypass diode problems, and other abnormalities. AI-based image-processing software can automatically classify these defects and generate inspection reports, allowing maintenance teams to focus on areas requiring immediate attention. Digital twins are another emerging tool for large-scale solar asset management. A digital representation of a solar plant can combine equipment specifications, weather conditions, historical generation, maintenance records, and real-time operational data. Operators can use this information to simulate plant behaviour, assess potential failures and evaluate the impact of different maintenance strategies. AI can also improve energy forecasting. Solar generation is strongly influenced by cloud cover, temperature, irradiance, and other weather conditions. By combining weather forecasts with historical plant data,

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Technology Showcase Special l Sep-Oct Issue 2026

INDIA

Technology Showcase Special l Sep-Oct Issue 2026

RESEARCH S T O R Y

HJT SOLAR CELLS IN INDIA REDEFINING HIGHEFFICIENCY PV MANUFACTURING AND UTILITY-SCALE SOLAR GROWTH

eterojunction Technology (HJT) solar cells are emerging as an

important

next-generation

photovoltaic

technology

India

investment,

and

manufacturing

yields

remain

important

cost

considerations. These factors influence the ability of HJT modules to

manufacturers and project developers look for higher efficiency, better

compete with increasingly optimized TOPCon and other n-type

temperature performance, and improved energy yields. HJT combines

technologies.

crystalline silicon with thin layers of amorphous silicon, creating a hybrid cell architecture that can reduce electrical losses while supporting high

India’s manufacturing ecosystem could help address these challenges

conversion efficiencies.

through scale, process innovation, localization of equipment and materials, and greater automation. As domestic manufacturers expand

India’s rapid expansion of domestic solar manufacturing is creating

integrated wafer, cell, and module production, HJT could become

greater opportunities for HJT technology. The country has traditionally

increasingly competitive for premium-efficiency applications.

relied heavily on passivated emitter and rear cell (PERC) technology, but the industry is increasingly moving toward n-type technologies such as

For utility-scale solar developers, the technology’s value will ultimately

TOPCon and HJT. This transition is being supported by growing

depend on total cost of ownership rather than cell efficiency alone.

manufacturing capacity, policy initiatives, and demand for high-

Higher energy yield, lower degradation, better high-temperature

performance modules for utility-scale and commercial applications.

performance, and bifacial gains must be evaluated against module pricing, financing costs, balance-of-system requirements, and long-

A key technical advantage of HJT is its excellent surface passivation.

term operating conditions.

The amorphous silicon layers are deposited on both sides of the crystalline silicon wafer, helping reduce carrier recombination and

HJT therefore represents more than an incremental improvement in

improving cell performance. HJT cells also typically use n-type silicon

solar cell architecture. As India advances toward higher domest

wafers, which offer strong resistance to light-induced degradation. As a result, HJT modules can maintain performance over longer operating periods. Temperature performance is another important advantage in India. Solar modules operate under high ambient and module temperatures, particularly across regions such as Rajasthan, Gujarat, Maharashtra, and southern India. HJT modules generally have a lower temperature coefficient than conventional PERC modules, allowing them to retain a greater portion of their rated output during hot conditions. This can contribute to higher annual energy generation from the same installed capacity. HJT is also well suited to bifacial module designs. Its symmetrical cell structure and rear-side generation capability can support higher energy yield when modules are installed over reflective surfaces or with suitable ground clearance. For utility-scale projects, where land, transmission infrastructure, and project economics are major considerations, additional generation from bifaciality can improve asset productivity. However, HJT manufacturing involves technical and economic challenges. Production requires specialized equipment, precise thin-film deposition processes, and control of low-temperature processing conditions. Silver consumption, metallization requirements, equipment

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Technology Showcase Special l Sep-Oct Issue 2026