




Supreme Energy focuses its business on the development of geothermal energy in Indonesia to support government program and establishing a more environmentally and renewable energy
Supreme Energy focuses its business on the development of geothermal energy in Indonesia to support government program and establishing a more environmentally and renewable energy
To become the leading and the most respected Geothermal producer in Indonesia, generating clean and sustainable electricity, creating maximum value for its stakeholders.
Achieve our VISION by:
Developing our human capital to their highest potential Uncompromising commitment to safety, health and environment protection
05 01 06 02 07 03 04 08
Fostering active communication, transparency and teamwork Satisfying interests of shareholders
Utilizing state of the art technology, benefitting from the resources, experience, expertise and brands of the reputed industrial groups we have as shareholders
Nurturing the highest level of professionalism, accountability and compliance with laws, regulations and ethical standards
Becoming the partner of choice for investors, governments, communities and employees
Assuring sustainability of success by maintaining a long term vision
‘SUPREME’ values:
Strive for excellence, innovation,
creativity and entrepreneurship
nquestionable honesty and integrity
erseverance and hardwork
ERnvironment, health and safety awareness
espect people, community, cuture and the importance of trust, relationships, teamwork and harmony
Ensure life time learning and improvement
Mindful of cost and efficiency
Muara Enim, Lahat Regency and Pagar
Alam City, South Sumatra
Installed Capacity: 2 x 49 MW (Gross)
Current Status:
Stage 1: Operations since end of 2021
PT Supreme Energy was founded in 2007 The company was established by professionals with extensive experience and knowledge in the energy sector in Indonesia, including active involvement in the oil and gas industry and the development and operation of geothermal energy over the past 50 years. Supreme Energy signed PPAs in 2012 for the development of three geothermal working areas and is one of the pioneers of private geothermal power producers in Indonesia.
As a global corporation that engages in diverse business activities, Marubeni commits to promote environmental consideration into all business activities around the globe, including in Indonesia. Marubeni’s business activities should be conducted in consideration of their possible impact on the environment Marubeni believes that sustained growth is a realistic goal which can be achieved, in line with
Marubeni’s spirit which consists of Fairness, Innovation, and Harmony. Therefore, Marubeni will strive to practice sound management that can coexist with the society and the environment, especially in Indonesia where Marubeni does a diverse business activity
IINPEX CORPORATION is Japan’s largest exploration and production (E&P) company, and is currently involved in projects across multiple continents, including the Abadi LNG Project in Maluku Province and the Ichthys LNG Project in Australia as Operator. By thoroughly making its oil and gas business cleaner while expanding its five net zero business areas, INPEX aims to provide a stable supply of diverse and clean energy sources including oil, natural gas, hydrogen, ammonia and renewables as a pioneer in energy transformation. (INPEX Geothermal Ltd. is a subsidiary established for the purpose of conducting geothermal business).
Tohoku Electric Power Co. was founded in 1951, a time when Japan was finally emerging from the postwar turmoil. Since then, Tohoku has been working together with the six prefectures of the Tohoku region and Niigata Prefecture, with a mission to provide quality services while maintaining a sense of mission regarding their role as a public utility. Tohoku supplies high-quality, reliable power and contribute to the development of local communities.
Tohoku combines multiple energy sources for power generation, including thermal, hydroelectric, geothermal, and solar energy, in such a way that ensures a steady and affordable electricity supply.
Tohoku Electric Co. is committed to optimizing their energy mix to stably provide inexpensive electricity generated from green energy.
PT Energia Prima Nusantara (EPN) is a trustable power developer in Indonesia, part of ASTRA Group (PT Astra International Tbk), one of the largest and reputable conglomerations in Indonesia. EPN have a strong value chain in Indonesia for energy provider and renewable energy services company. Within ASTRA Group, currently handling several project in construction phase with total capacity reaching more than 148 MW (gross).
The Geothermal Working Area (WKP) of Rantau Dedap was granted during the World Geothermal Congress (WGC) event in Bali
After a long journey Rantau Dedap COD (Commercial Operation Date) declared on 26 Dec 2021
PT Supreme Energy, ENGIE and Marubeni Corporation officially formed a joint venture and become the shareholders of PT Supreme Energy Rantau Dedap Exploitation commencement
Signing with PT. PLN (Persero) Civil construction commencement for Exploration phase Exploration Drilling Commencement Well Testing Feasibility Study commencement Feasibility Study completion in 2016 & followed with
(Persero)
the huge potential in Indonesia’s Geothermal Energy business supportedby the government programs to meet fast growing energy demand and to develop a cleaner and more environmentally friendly energy mix, PT Supreme Energy was established in October 2007 with a focus on the development of geothermal power businesses.
the pioneer of geothermal exploration and development in Indonesia, after the enactment of the Geothermal law no 27/2003, we have proactively participated and contributed to enhancing geothermal business development opportunities in Indonesia through active roles in numerous initiatives and task forces in formulating policies and procedures to facilitate basis for the Government to promote the industry.
from difficult challenges and uncertainties we have faced in the past nine years, we are now ready to make progress towards achieving our aspiration to become the leading geothermal energy company in Indonesia. This accomplishment will be possible only with persistent and focused efforts of all our employees, high commitment to technical excellence and professionalism, and full support from local and central governments. Having successfully achieved several project milestones and having the partnership with and support from leading international investors, we confidently continue our journey towards providing a bright sustainable energy future for Indonesia, beneficial to all stakeholders.
Nisriyanto President & CEO
Boy Gemino Vice President Director SERD
Executive Vice President of Relations & Support Services
Shuichiro Ikeda Chief Operating Officer SERD
Osamu Shimbara Chief Financial Officer SERD
Masahiro Chiba Representative Director of Operational Affair/Activity
Our CSR Policy is focusing on 4 pillars:
Health & Education
Economic & Empowerment
Infrastructure Improvement
Community Relations
We integrate the interests of society into our development plans, by accepting responsibility for the impact of our activities on stakeholders and on the environment, in an effort to improve the quality of life for our employees and their families as well as the local community and society at large. Supreme Energy develops active and sustainable Corporate Social Responsibility programs based on social justice and mutual respect.
We believe that commitment towards Safety Health and Environment is more than just a priority, it is a core believe, value and a basis of our company strategy. Supreme Energy’s ambition is to not only become a leader in Safety Health and Environmental Standards, but to be recognized as a benchmark in the industry. Implementation of proper Safety Health and Environment is a core value that we want to share with everyone, from our managers and employees, to our partners and stakeholders.
By always being proactive and striving to implement the excellence standards of safety, health and the protection of our stakeholders is not only giving benefit to our employees but also providing good care ot the ecosystem and our surrounding community.
Our goal of successful implementation of Safety, Health and Environment will in turn provide a healthy working environment, a good relationship with the community, as well as preservation of the ecosystem.
“The Best Large Company for Aggressive RE Development” in Indonesia by METI AWARDS 2021
International Geothermal Convention and Exhibition (IIGCE) 2023
Best Booth 2023
Best Paper in the General Topic & Overall Best
Paper in the Professional Category: "Biodiversity
Awareness at Geothermal Power Plant: Preliminary Study on Fauna around Geothermal Area"
Category: Investment
PROPER - Blue Rating Period: 2023–2024
Awarded by the Ministry of Environment of the Republic of Indonesia
Penghargaan EBTKE 2024 - KESDM
Pratama Rank - Safety, Health, and Geothermal
Engineering Performance
4th Winner - Performance of Geothermal
Community Development and Empowerment
SERELO CSR AWARD 2024
TJSL Forum of Lahat Regency
Gold appraisal
SUBROTO AWARDS 2023
Pratama place - Safety and Health and Geothermal
Engineering Performance Assessment of Production
Working Area category
Utama place - Environment Pollution and / Damage Control
Performance of Production Working Area category
SERELO CSR AWARD 2023 -
TJSL Forum of Lahat RegencyGold appraisal
SERELO CSR AWARD 2022 - TJSL Forum of Lahat Regency - Silver appraisal
PT Supreme Energy Rantau Dedap (SERD) obtained a certificate for contribution to support PLN programs in strengthening the grid:
• Successful to implement Free Governor on September’22
• Successful to implement Free Governor on October’22
• Successful to implement Power System Stabilizer
Award from BKPM for Active Participation in empowering SME and local economy in South Sumatra
SUBROTO AWARDS 2017 - KESDM
Utama place - Geothermal K3 Management Category (Sub Category Non-Production Geothermal Area)
Pratama Place - Geothermal Environment Protection Management (Sub Category Non-Production Geothermal Area) 2017
Operational Plans & Actual Achievements for 2023 & 2024