Bukit Asam Boosts Green Energy Push with 303 kWp Solar Power Project in Cilegon
Main Takeaways
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CILEGON, Investortrust.id – State-owned coal miner PT Bukit Asam Tbk (PTBA), a member of mining holding MIND ID, has officially launched a 303.1 kilowatt-peak (kWp) solar power plant (PLTS) in Cilegon’s industrial zone, expanding its clean energy portfolio amid Indonesia’s national decarbonization efforts.
The plant was developed by PT Bukit Energi Investama (PT BEI), PTBA’s renewable energy investment arm. It will serve PT Timah Industri, operating under a 25-year power rental scheme, followed by a build-own-operate-transfer (BOOT) arrangement.
Turino Yulianto, PTBA’s Director of Downstreaming and Product Diversification, said the project reflects a strong commitment to accelerating the energy transition and reducing emissions in line with national targets. “The inauguration of this solar plant marks a key milestone in our clean energy transformation,” he said on Wednesday, June 18, 2025.
A Synergy of State-Owned Enterprises
The project is a joint effort between: PT BEI, acting as investor and operator, PT Krakatau Chandra Energy (KCE), responsible for EPC and site management, and PT Timah Industri, the energy offtaker.
The system operates off-grid, yet is integrated with the area's gas and steam power (PLTGU) network to ensure a stable and efficient power supply. PT BEI will also handle operation and maintenance (O&M).
The installation uses high-density polyethylene (HDPE) floating structures, promoting environmentally friendly and space-efficient solar deployment.
Expanding the Renewable Footprint
The Cilegon project adds to PTBA’s growing list of solar ventures. Prior developments include 925 kWp in solar capacity, deployed at airports and toll roads in collaboration with PT Angkasa Pura and solar-powered irrigation systems for agriculture.
With the new installation at Timah Industri, PTBA’s total solar portfolio has reached 1.2 megawatt-peak (MWp). “This is a key achievement that strengthens PTBA’s leadership in solar energy development in Indonesia,” Turino added.
Clean Energy as a New Revenue Stream
PTBA’s investment in renewables is part of a broader strategy to diversify revenue streams beyond coal while contributing to Indonesia’s net zero emissions goal by 2060.
“This project underlines our vision to become a world-class energy company with strong environmental responsibility,” said Turino. “It’s not only about financial returns, but also about building a competitive and sustainable green business ecosystem.”
Through inter-BUMN collaboration, PTBA hopes the PLTS Timah Industri project can serve as a model for similar partnerships. The initiative supports national energy resilience goals and aligns with the Asta Cita development agenda outlined by the government.