Indonesia Renewable Energy Capex Market Size and Share - Growth Analysis Report and Forecast Trends 2026-2030

Indonesia's renewable energy sector encompasses investment across geothermal, solar photovoltaic, wind, hydropower, bioenergy, and emerging technologies, with capital expenditures directed toward project development, equipment procurement, transmission infrastructure, and system integration. The market is currently valued at approximately $22.0 billion in 2025, reflecting cumulative capital commitments across utility-scale and distributed generation projects. Installed renewable capacity stands at approximately 19.5 GW as of 2025, with electricity generation from renewables reaching 57.0 TWh in 2025.

• •Market valued at ~$22.0 billion in 2025 with 12.4% annual growth rate
• •Installed renewable capacity at ~19.5 GW in 2025, projected to reach 51.5 GW by 2030
• •Renewable electricity generation at 57.0 TWh in 2025, expected to reach 118.6 TWh by 2034

Indonesia's government has established ambitious renewable energy targets, including a 23% renewable energy mix by 2025 and a net-zero emissions commitment by 2060, creating a policy framework that incentivizes substantial private and public capital deployment. The country's unique geographic advantages, sitting on the Pacific Ring of Fire with the world's largest geothermal potential, plus high solar irradiance across the archipelago, provide a compelling resource base for scalable renewable projects. Declining technology costs, particularly for solar PV and battery storage, have improved project economics, while international climate finance mechanisms including green bonds and multilateral development bank funding are increasingly accessible to Indonesian developers.

• •Government target of 23% renewable energy mix by 2025 and net-zero by 2060 driving policy support
• •World's largest geothermal potential, high solar irradiance, and significant hydro resources providing natural advantages
• •Declining solar and storage costs improving project economics alongside growing international green finance access

Geothermal energy dominates Indonesia's renewable energy landscape due to its estimated 29 GW of proven reserves, making the country the world's second-largest geothermal producer. Solar photovoltaic capacity is rapidly expanding, with projections of up to 37 GWp installed by 2030 under optimistic scenarios, particularly across Java, Bali, and off-grid regions. Hydropower remains a significant contributor, while wind energy is gaining traction in the eastern provinces of South Sulawesi and East Nusa Tenggara, where wind speeds are most favorable.

• •Geothermal leads the mix with the world's second-largest installed capacity and ~29 GW of proven reserves
• •Solar PV projected to reach up to 37 GWp by 2030, with growth concentrated in Java-Bali corridor and off-grid areas
• •Emerging wind capacity in South Sulawesi and East Nusa Tenggara, alongside ongoing bioenergy development from agricultural waste

What are the recent trends and outlook?

The Indonesia renewable energy capex market is on a sustained growth trajectory, with capacity projected to grow from approximately 20 GW in 2025 to over 50 GW by 2030, supported by accelerated auction programs, streamlined permitting, and increasing foreign direct investment. Floating solar, green hydrogen, and battery energy storage systems are emerging as high-potential investment areas as the country seeks to balance grid stability with rapid renewable deployment. Long-term projections indicate the market maintaining double-digit growth through the 2030s as Indonesia transitions away from coal dependence and integrates more variable renewable energy into its grid.

• •Capacity projected to grow from ~20 GW in 2025 to 51+ GW by 2030 at a 21.44% CAGR
• •Floating solar, green hydrogen, and battery storage emerging as next-wave investment categories
• •Coal-to-renewables transition expected to accelerate in the 2030s as international climate commitments tighten