ELECTRICAL
& SOLAR SOLUTIONS
There’s more to a solar installation than just the panels
About us
For over 40 years, we’ve been the trusted partner of the UK’s leading housebuilders, typically wiring 24,000 homes annually.
We provide nationwide coverage with a team of over 850 employees, including 600 site-based staff across 21 branches.
We take pride in providing award-winning in-house apprenticeship training and welcome an average of 100 new apprentices each year.
Our dedicated support teams—spanning PV Design, Customer Care, Quality, Technical Support, Health and Safety, and Training—work together to deliver the best possible experience.
We offer comprehensive end-to-end service, covering everything from initial designs and DNO applications to installation and commissioning, all delivered to the highest standards.
Our supply chain is strong, as we collaborate closely with the specialist PV wholesaler Solen to secure priority access to ethically sourced products.
In 2023/24 we supported our customers to win NHBC Pride in the Job awards on 64 sites.
Our expertise
Your trusted support team
With more than 40 years of experience in the new build electrical industry and over 15 years of expertise in the renewables sector, Clarkson Evans is a trusted leader in delivering high-quality solutions. Our extensive knowledge and commitment to innovation allow us to provide exceptional support and tailored services to meet the diverse needs of our customers, ensuring their projects are completed efficiently and sustainably.
Detailed PV Designs Advice on Regulatory Compliance
Electrical Schematics & Designs Building & Other Services Integration
Cable Routes and Calculations EES Systems (Batteries)
Equipment Locations e.g. Inverters
Future proofing homes
Independent Product Selection
We work closely with the Technical departments of housebuilders to drive innovation and support the UK’s ambition of reaching net-zero carbon emissions by 2050. A crucial aspect of this work is ensuring the early integration of solar PV systems into the building design process, which is essential for achieving a seamless and efficient installation. This includes careful consideration of how solar systems interact with roof structures, coverings, physical limitations, and electrical installations.
Additionally, we collaborate with manufacturers to challenge existing industry standards, identify and address potential weaknesses, and develop cutting-edge solutions that improve both safety and performance across the sector. Through these efforts, we aim to contribute to the ongoing transformation of the construction industry towards a more sustainable future.
Risk prevention
Fire safety measures
With our extensive experience in solar photovoltaic (PV) systems, we have developed a keen understanding of the common failure points within the industry and have implemented strategies to eliminate these risks in our installations. Two of the most prevalent failure points are site-made MC4 connections and DC isolators, which have been identified as the leading causes of DC fires in PV systems. By proactively addressing these issues during the design and installation phases, we significantly reduce the likelihood of such failures.
Additionally, we recognise that product selection is critical in ensuring both the value and safety of our installations. As part of our commitment to safety, we exclusively supply inverters that feature integrated Arc Fault Circuit Interrupter (AFCI) technology, which is designed to detect and mitigate arc faults, preventing potential fire hazards.
Furthermore, we only use fully certified solar panel systems, ensuring that all components meet the highest safety and quality standards. This thorough approach to both design and product selection allows us to deliver reliable and secure solar PV systems that our customers can trust.
Electrical safety measures
Having over 40 years of experience as an electrical contractor, we possess a comprehensive understanding of the risks and complexities associated with electrical systems. Solar PV installations, which can operate at voltages exceeding 1000V, require specialist knowledge and strict adherence to safety protocols to protect both workers and property.
The system remains live during daylight hours once a solar panel installation is completed, which presents potential hazards if not properly managed. To ensure the safety of our team, we implement a range of preventative measures, including ensuring that no bare string cables are fed into the property, which could create an exposed live circuit. Additionally, we make certain that all DC cabling is clearly and visibly labeled to avoid any confusion or accidental contact.
These proactive steps are essential in maintaining a safe working environment and guaranteeing that those working in and around the property are protected from electrical hazards. Our long-standing commitment to safe working practices is fundamental in delivering high-quality, secure solar installations.lator
Regulatory compliance
There’s more to a solar installation than just the panels...
Ensuring compliance for properties with Solar PV systems involves more than simply appointing an MCS accredited installer. Due diligence is necessary to confirm that the materials and equipment installed are not only individually certified, but also certified as a complete system.
The MCS 005 standard applies to photovoltaic modules (solar PV panels), while the MCS 012 standard governs pitched-roof mounting kits, including in-roof systems. However, it is important to note that the mere presence of these accreditations for individual components does not guarantee that they have been tested and certified together as a unified system.
For full compliance, the MCS 012 certificate must specify the exact panel being installed and demonstrate compliance with the relevant BS EN 13501-5 fire standards. An indicative classification will not suffice. In the case of in-roof systems, a current fire classification of BROOF(t4) under BS EN 13501-5 is required. Without this classification, meeting the compliance requirements of Building Regulations Approved Document B (ADB Table 12.1) will be challenging.
Expert installers
Our fully qualified team
At Clarkson Evans, we take pride in our team of highly skilled electricians and solar installers, whose expertise sets us apart in the industry. Unlike many others, all of our installers are directly employed by Clarkson Evans, ensuring full control over their training, performance, and adherence to our high standards. This employment model guarantees consistent quality and exceptional service across every installation.
Our team undergoes continuous, rigorous training, earning certifications in the latest electrical and solar technologies. This ongoing professional development ensures they remain at the forefront of industry trends and are fully equipped to handle both current and emerging technologies with precision, efficiency, and safety.
Investing in our team’s growth means we have a strong, cohesive group dedicated to delivering excellent results. As a result, we uphold the highest standards of safety, integrity, and customer satisfaction. Our installers not only possess expert knowledge but also embody Clarkson Evans’ core values, ensuring every project is completed to the highest level of quality.
Key to our success is our commitment to apprenticeship training and continuous development. We hold a contract with the Department for Education, providing approved electrical installation apprenticeships to over 300 learners annually. We are also a City & Guilds, EAL, and NICEIC-approved training provider, ensuring the quality and thoroughness of our team’s education.
In addition to core training, we offer ongoing CPD opportunities to keep our staff ahead of industry trends. To further ensure competency, all our staff hold ECS or CSCS cards, demonstrating their compliance with industry standards. Supporting our team’s growth is a continuous effort, with regular toolbox talks and training through a dedicated online learning platform. This helps our installers stay updated on the latest safety protocols and industry best practices.
In essence, Clarkson Evans’ in-house team of fully qualified electricians and solar installers is committed to providing exceptional service, driven by ongoing training, development, and a dedication to excellence in every installation.
Working with us
DNO (District Network Operators)
As the adoption of low-carbon technologies continues to grow, it is essential for Network Operators (DNOs and IDNOs) to stay informed about the quantity and location of energy assets within their networks. At Clarkson Evans, we support our customers by managing the application and notification process for new Solar PV installations. Our services ensure that network operators can maintain a safe, efficient, and reliable infrastructure, helping to facilitate the integration of renewable energy sources while upholding network safety standards.
MCS certificates (Microgeneration Certification Scheme)
MCS (Microgeneration Certification Scheme) is a recognised standard of quality within the renewables sector, and Clarkson Evans takes pride in certifying all of our solar installations to MCS standards. This certification not only guarantees the highest level of workmanship but also ensures that all products installed are MCS accredited, further reinforcing our commitment to delivering reliable and efficient renewable energy solutions.
Customer handover packs
Providing homeowners with clear and detailed information about their solar installation is essential, as many may be unfamiliar with the benefits of producing their own energy. Effective communication helps homeowners better understand their solar systems, ensuring they feel confident and informed about their investment. Supporting homebuyers with this crucial information not only enhances their overall experience but also plays a vital role in their decision-making process throughout their journey. For housebuilders, prioritising this educational support is key to fostering long-term satisfaction and trust with customers.
The process
This diagram outlines Clarkson Evans’ process from site award to homeowner occupation, highlighting key stages such as planning, electrical installation, inspections, and final sign-offs to ensure safety and quality.
Site awarded info provided
DNO Application
Roofing
DNO/IDNO respond 45-65 days
We recieve approval from the DNO/IDNO
Plots will be locked off until approval has been confirmed
1st Fix Trades
Export limitation may be required
This will only be fitted once cost has been accepted
2nd Fix Trades
Inverter Commissioning
MCS/DNO Notification
Electrical Certification
Installation Audits
Customer Handover Packs
Occupation
Quality assurance
Desktop audits
We ensure quality and compliance by auditing 100% of our installations at both the 1st fix and commissioning stages. This thorough process guarantees that each installation meets the highest standards and relevant regulations. Installers submit detailed job reports with photos, which are reviewed in the audit for compliance and quality. Only after a successful audit are MCS certificates and handover packs issued, ensuring defect-free, compliant installations and customer satisfaction.
On-site audits
Our Regional Area Managers and Quality Inspectors conduct unannounced site visits for random audits at various stages of installation, ensuring high-quality standards. In 2024, we audited 20% of all installations across England and South Wales, covering a wide geographic area. These audits assess compliance with industry regulations, site housekeeping, and operational efficiency, enabling us to identify and address issues promptly. This approach fosters continuous improvement and accountability across our teams.
Defect managment
In the rare event that non-compliances are identified, defects are consistently tracked through our auditing procedures, with defects recorded as “open actions” for efficient monitoring and resolution. A defect matrix, outlining timescales based on severity, helps prioritise and address issues. We ensure rectifications are completed on time, with a current record of zero open actions over 48 hours old, demonstrating our commitment to continuous improvement and prompt resolution of non-compliance issues.
Performance monitoring
All non-compliances are closely monitored to drive continuous improvement. When issues arise, installers receive additional training and technical updates to prevent recurring mistakes and reinforce best practices.
Installer performance, assessed through the “right first time” metric, is regularly reviewed to identify areas for improvement. We are committed to maintaining high-quality standards and continuously enhancing our performance through ongoing monitoring and support.
Solar PV solutions
Solar PV designs
Our expert PV design team offers a comprehensive, end-to-end design solution, delivering a complete package that includes SAP assessment calculations and DWG drawings to optimise energy efficiency ratings for our customers. We collaborate closely with our customers’ technical teams to integrate PV systems into the building design at the earliest stage, addressing potential challenges related to rooftop space and the placement of inverters and other generation equipment.
Our team is highly responsive to changes and on-site adjustments, ensuring the final design meets our customers’ evolving needs. With specialist knowledge and strong partnerships with manufacturers, we are able to produce detailed designs and as-built working drawing packages. Leveraging our combined expertise in solar PV and electrical systems, we seamlessly integrate the PV installation with other building services and trades, providing comprehensive designs tailored for both roofing and electrical contractors.
The advantage of our ‘one-stop shop’ approach is that all liability is consolidated under a single supplier/installer. This streamlined process ensures a clear understanding of both the DC and AC components of the installation, with this information clearly defined in our designs.
SolShare installations
Our experts can seamlessly integrate SolShare into solar PV designs, offering a behind-the-meter solution that makes solar energy accessible to multiple flats within the same building. By connecting a single rooftop PV array directly to individual flats, SolShare ensures that each household receives its share of clean, renewable energy. This innovative system allows residents to benefit from solar power while retaining the flexibility to choose their own energy retailer. As a direct connection of solar to flats, SolShare systems are eligible for the maximum SAP uplift, often resulting in an EPC uplift of at least one band, making it a highly effective and sustainable solution for shared energy use in multitenant buildings.
Customer care
Customer service excellence
Our team of highly-trained employees plays a key role in creating positive and meaningful interactions with our customers. By actively listening, understanding, and empathising with their needs, we cultivate a customer-centric environment that focuses on service excellence.
We offer a personalised, multi-channel experience, allowing customers to connect through their preferred communication channels for enhanced convenience and satisfaction. Additionally, our website provides comprehensive homeowner guidance and information.
Our streamlined process ensures prompt and efficient handling of customer concerns, with direct access to senior management when needed, ensuring that every matter is addressed with the utmost care and attention. Senior administrators are well-equipped to maintain strong relationships and uphold the company’s reputation for professionalism and trust.
Meeting expectations
At Clarkson Evans, we believe that the foundation of exceptional customer service begins with comprehensive product and service knowledge for our office-based administrators. By empowering them with expertise, we ensure that customers receive outstanding support from the very start of their journey.
Additionally, we invest in the continuous development of our Customer Care Engineers, equipping them with the skills and confidence necessary to assist in any situation. Our team is fully prepared to honour all Service Level Agreement (SLA) expectations, both during and outside of regular business hours, thanks to our 24/7 emergency service. For any emergencies, our out-of-hours service is available at 01452 530336, where a Clarkson Evans-qualified duty manager is ready to provide assistance, even during bank holidays, Christmas, and New Year.
Housebuilder training
Solar PV Training for Housebuilders
We are committed to equipping housebuilders with the essential knowledge and skills to integrate solar photovoltaic (PV) systems into their projects. Our comprehensive training program is designed to cover every aspect of solar PV technology, from the basics of the equipment to the ongoing aftercare processes, ensuring housebuilders can offer energy-efficient solutions to homeowners with confidence.
Our training begins with a solid foundation in the core components of a solar PV system. We provide in-depth product training on solar panels, inverters, and battery storage solutions, giving housebuilders a thorough understanding of the technology.
In addition to product knowledge, we delve into the critical processes involved in the installation and operation of solar PV systems. Our training covers the steps for working with Distribution Network Operators (DNOs), guiding housebuilders through the process of connecting systems to the local electricity grid. We also explain the intricacies of export tariffs, helping housebuilders understand how these schemes work and how homeowners can benefit from them. Furthermore, we provide insights into system kWh generation expectations, discussing the factors that influence performance and why certain systems may generate more or less energy than expected.
We also provide user guides that simplify the process of installation and maintenance for both housebuilders and homeowners. These easy-to-follow manuals ensure that everyone involved in the solar installation process has clear instructions, from setup to routine maintenance, enabling a seamless experience.
Finally, our training extends to aftercare processes, ensuring that housebuilders are fully equipped to handle ongoing support for solar PV systems. We offer guidance on call-out times, providing housebuilders with the necessary information on response times and service level agreements. Additionally, our aftercare training covers maintenance and troubleshooting, ensuring that housebuilders are prepared to assist homeowners in keeping their solar systems running at peak performance.
