Mitsubishi Power’s Geothermal Retrofit Initiative in Indonesia

Mitsubishi Power Americas, Inc. | Upgrades & Retrofits

Contract Overview and Project Details

Mitsubishi Power, a division of Mitsubishi Heavy Industries (MHI), has secured a pivotal turnkey contract with Star Energy Geothermal Darajat II (SEG) for the retrofit of Unit 3 at the Darajat Geothermal Power Plant in West Java, Indonesia. This strategic project, which aims to modernize the plant’s steam turbine and associated systems, is set for completion in autumn 2026. The retrofit is designed to boost the plant’s output from 121 megawatts (MW) to 129 MW, significantly contributing to Indonesia’s renewable energy goals.

Technological Enhancements and Environmental Goals

The upcoming enhancements will introduce advanced steam turbine technology, which is expected to provide a more reliable electricity supply while reducing CO2 emissions. This aligns with Indonesia’s broader commitment to increasing its share of renewable energy in the national grid. The project will play a critical role in supporting the Indonesian government’s target of achieving carbon neutrality by 2060, demonstrating Mitsubishi Power’s commitment to sustainable energy practices.

Local Collaboration and Operational Stability

MHI’s Nagasaki Shipyard & Machinery Works will manage the design and manufacturing phases of the retrofit. Additionally, PT. Mitsubishi Power Indonesia will provide ongoing support to ensure stable operation post-installation. This collaboration underscores Mitsubishi Power’s long-standing relationship with the Darajat facility, having previously supplied a steam turbine back in 2007.

Market Position and Future Aspirations

SEG is a key player within the PT Barito Renewables Energy Tbk (BREN) Group, one of Indonesia’s largest renewable energy operators. Mitsubishi Power’s ongoing efforts in Indonesia demonstrate its dedication to enhancing geothermal energy production, having supplied six units across the country, contributing an aggregate output of approximately 400 MW. The company is also engaged in developing additional units to further bolster Indonesia’s geothermal capacity.

Conclusion: Commitment to Clean Energy

As MHI Group continues to advance its high-performance, reliable technologies, it aims to support stable electricity generation, which is vital for global economic growth. Through initiatives like this retrofit project, Mitsubishi Power emphasizes its role in fostering energy decarbonization and environmental preservation in line with the increasing demand for clean energy solutions worldwide.

This partnership not only enhances the operational efficiency of existing geothermal facilities but also exemplifies a proactive approach to meeting future energy demands sustainably.

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