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20260420_BREN_Laporan Informasi dan Fakta Material_32071779_lamp2.pdf
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Press Release
For Immediate Release
Star Energy Geothermal Wins PROPER Gold 2025
The award from the Ministry of Environment was granted to the Wayang Windu
Geothermal Power Plant asset
Jakarta, 20 April 2026 — Star Energy Geothermal, a subsidiary of PT Barito Renewables Energy Tbk
(IDX: BREN), through Star Energy Geothermal Wayang Windu Ltd (SEGWWL), has been awarded the
PROPER Gold rating by the Ministry of Environment (KLH). This recognition is granted for
environmental performance that goes beyond compliance and for sustained contributions to social
welfare.
Hendra Soetjipto Tan, President Director of Barito Renewables and Group CEO of Star Energy
Geothermal, stated: “Star Energy Geothermal is committed to conducting business operations that
are responsible, environmentally friendly, and sustainable. This commitment is once again reflected
in the PROPER award from the Ministry of Environment. We will continue to innovate to enhance
operational efficiency and deliver greater benefits to the community.”
The achievement of the Wayang Windu Geothermal Power Plant, located in Pangalengan, Bandung
Regency, in securing the PROPER Gold rating is driven by a series of innovations. In energy efficiency,
the WW Retro Program (retrofit of cooling tower units 1 and 2) has delivered energy savings of
31,622.4 GJ in the cooling tower process. Emissions reduction has also been achieved through the
PACE WW program (smart cooling system at Wayang Windu), which reduces greenhouse gas
emissions by up to 1,756,687 tons of CO₂ per year. Additionally, hazardous waste management (B3
waste) is enhanced through the ASIS TURBO program (Artificial Oil & Sweetening System based on
MSA), which reduces used oil in turbine operations, achieving savings of 17.94 liters.
Meanwhile, Star Energy Geothermal’s other two geothermal assets, Salak in Sukabumi and Darajat in
Garut, each received the PROPER Green rating. These achievements reflect the Company’s strong
commitment to environmental preservation and community welfare. The awards represent
recognition of the entire team’s efforts in ensuring that SEG’s geothermal operations are conducted
in harmony with environmental sustainability.
Currently, Star Energy Geothermal’s three geothermal assets have a total installed capacity of 926
MW, positioning Barito Renewables as one of the companies with the largest geothermal portfolios.
By the end of 2026, Barito Renewables is projected to operate a total of 1 GW of geothermal capacity
along with 79 MW of wind power capacity.
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About Barito Renewables Barito Renewables (IDX: BREN) is a leading renewable energy company in Indonesia and the renewable energy arm of the Barito Pacific Group, committed to delivering clean and sustainable energy solutions. With a strong focus on environmental responsibility and community engagement in its operational areas, BREN plays a key role in Indonesia’s transition toward a greener and more sustainable energy landscape. Its subsidiary, Star Energy Geothermal, currently operates geothermal power plants with a total installed capacity of 926 MW. Through Barito Wind, the Company also owns the Sidrap Wind Farm in South Sulawesi with a capacity of 75 MW. For more information, please visit: https://baritorenewables.co.id. For media inquiries, please contact: externalcommunications@barito.co.id.
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