Indonesia’s renewable power capacity to reach 38.1GW in 2035

Core Insights - Indonesia is advancing its clean energy transition while maintaining a strong reliance on thermal generation, with significant investments in solar PV, onshore wind, and geothermal energy [2][3] Installed Capacity and Generation - Cumulative renewable power capacity in Indonesia is forecast to reach 38.1 GW by 2035, up from 8.4 GW in 2024, reflecting a compound annual growth rate (CAGR) of 14.7% from 2024 to 2035 [2] - Solar PV capacity is expected to increase from 0.9 GW in 2024 to 23.2 GW in 2035, driven by floating and utility-scale projects and rooftop solar programs [3] - Onshore wind capacity will rise from 0.15 GW to 2.6 GW, supported by competitive tenders and hybrid renewable developments [3] - Geothermal capacity is projected to expand from 2.6 GW to 5.5 GW, leveraging Indonesia's geothermal reserves [3] Regulatory Framework and Support - Supportive frameworks such as the Just Energy Transition Partnership (JETP) aim for 44% renewable electricity by 2030, and the RUPTL 2025–2034 plan is accelerating the clean energy shift [3] - Presidential Regulation 112/2022 has strengthened investment clarity by limiting new coal development and mandating early retirement pathways for existing plants [3] Thermal Generation Outlook - Despite robust renewable growth, Indonesia's power mix will remain dominated by thermal sources in 2035, with coal-fired capacity projected to rise from 55.6 GW in 2024 to 61.4 GW in 2035 [4] - Gas-fired capacity is expected to expand from 29.1 GW to 36 GW, ensuring consistent supply across isolated island grids while renewable infrastructure scales up [4] Infrastructure Development - Cross-island transmission expansion and the deployment of digital grid systems are enhancing integration and reliability within the power sector [3]