Indonesia Geothermal Power Market Growth Overview: (2026-2034)

• In 2025 market size was valued at around 8 GW.
• By 2034 industry is estimated to reach about 89 GW size.
• During 2026-2034 this sector would rise at a CAGR of 6.4%.
• Flash Steam Plants segment lead the market, with around 48% share.
• Hydrothermal Resources segment dominate the market, accounting for nearly 63% of total revenue.
• Javaregion dominates the Indonesia geothermal power market, with around 39% share.

According to recent research report by The Report Cube, the size of Indonesia Geothermal Power Market was nearly 2.8 GW in 2025, and by 2034 it is expected to reach around 4.89 GW with a CAGR of 6.4% over the forecast period (2026-2034).

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Key Trends Driving 4.89 GW Indonesia Geothermal Power Market by 2034

Technology advancement is transforming geothermal project development in Indonesia. Modern geothermal facilities now utilize advanced drilling technologies capable of reaching deeper reservoirs while maintaining operational safety. Directional drilling and high-temperature drilling equipment allow operators to tap reservoirs previously considered economically challenging. These innovations significantly increase geothermal project viability and improve power generation efficiency.

Another emerging trend is the adoption of enhanced geothermal systems (EGS) and hybrid geothermal technologies. EGS technologies allow energy companies to extract heat from hot dry rock formations that were historically inaccessible using traditional hydrothermal methods. This development dramatically expands Indonesia’s geothermal resource base. Hybrid geothermal plants, which integrate geothermal energy with solar or other renewable technologies, are also being explored to optimize energy production and grid stability.

Digital technologies are becoming increasingly important in geothermal plant management. Artificial intelligence tools and real-time monitoring systems help predict reservoir performance, optimize drilling strategies, and reduce operational downtime. These technologies enable geothermal operators to maximize resource extraction and improve plant efficiency, supporting Indonesia’s ambition to become a global leader in geothermal energy production.

Indonesia Geothermal Power Companies Competitive Outlook: Top Key Participants

This research study analyzes the competitive landscape, detailing company overviews, product portfolios, strategic alliances, and recent developments. It underlines the potential key players, their market positioning, and strategies, delivering a comprehensive insight into their operations and innovations within the industry.

List of Key Market Participants:

• PT Pertamina Geothermal Energy Tbk (PGE)
• Star Energy Geothermal
• PT Geo Dipa Energi (Persero)
• Sarulla Operations Ltd (SOL)
• PT Supreme Energy
• KS Orka Renewables
• PT Medco Power Indonesia
• Ormat Technologies Inc.
• Inpex Geothermal Ltd.
• Marubeni Indonesia
• PT Mitsui Indonesia
• Sumitomo Corporation Indonesia
• Halliburton Indonesia
• SLB (Schlumberger) Indonesia
• Toshiba Energy Systems
• Kyushu Electric Power
• Others

Latest News By the Companies Transforming the Indonesia Geothermal Power Market

• 2025: Star Energy Geothermal announced expansion and capacity additions across multiple geothermal projects including Salak and Wayang Windu. The parent company committed approximately 365 million to add around 112 MW of geothermal power capacity, strengthening Indonesia’s national renewable energy transition strategy.
• 2025: KS Orka Renewables confirmed a 33 MW expansion at the Sorik Marapi geothermal project, enabling the facility to exceed 200 MW of installed capacity. The expansion strengthens its position as one of Indonesia’s largest baseload geothermal power developments supporting national renewable targets.
• 2025: PT Medco Power Indonesia, through PT Medco Cahaya Geothermal, announced the start of commercial operations of the 35 MW Ijen geothermal power plant in East Java, adding new baseload geothermal capacity to Indonesia’s electricity grid.

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https://www.thereportcubes.com/report-store/geothermal-power-market-indonesia

Indonesia Geothermal Power Market Segmentation Insights:

Market Share, By Power Plant Type

• Dry Steam Plants
• Flash Steam Plants
• Binary Cycle Plants
• Hybrid Geothermal Plants

Market Share, By Resource Type

• Hydrothermal Resources
• Hot Dry Rock Resources
• Enhanced Geothermal Systems

Market Share, By End User

• Utility-scale Power Producers
• Independent Power Producers
• Industrial Users
• Commercial Users

Market Share, By Region

• Sumatra
• Java
• Kalimantan
• Sulawesi
• Nusa Tenggara
• Maluku
• Papua

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The Report Cube is a UAE-based market research and consulting firm that strives to assist organizations in understanding the frequently developing markets, customers, and competition. We provide industry analysis, market entry studies, competitive insights, up-to-date data, and several in-depth knowledge in our customized research reports & syndicate market studies that helps our clients in supporting confident business decisions. By turning data into clear insights, we assist companies in identifying opportunities, reducing risks, and planning sustainable growth in an evolving global market landscape.

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