- Enormous Potential of Solar Energy
- Contribution to Climate Change Mitigation
- Encouraging Solar Energy Investment and Innovation
- Hurdles to Overcome in the Solar Energy Transition
Indonesia, a nation rich in natural resources, has long relied heavily on fossil fuels, especially coal, for electricity generation. However, the urgent need to reduce greenhouse gas (GHG) emissions and mitigate climate change has driven the country to explore renewable energy alternatives.
Among these, solar power stands out due to Indonesia’s strategic geographical position along the equator, which grants it abundant solar radiation throughout the year, therefore, solar energy offers immense potential to meet rising electricity demand while supporting the country’s climate commitments.
Enormous Potential of Solar Energy
Studies estimate that Indonesia’s solar energy potential reaches up to 207 gigawatts (GW) across all provinces, making it the most abundant renewable energy source in the country. However, current utilization remains remarkably low at just 0.04%. The technical potential spans a wide range of regions from Papua and Sulawesi to Java and Kalimantan, allowing for both centralized power plants and decentralized rooftop installations.
In line with the National Energy Policy (KEN) and the National Energy General Plan (RUEN), Indonesia has set a target for renewable energy to account for 23% of the national energy mix by 2025. Of this, solar power is expected to contribute 6.5 GW, rising to 45 GW by 2045. These targets demonstrate the government’s recognition of solar energy as a key player in the nation’s transition to cleaner power.
Contribution to Climate Change Mitigation
The deployment of solar power plants directly supports Indonesia’s climate commitments, particularly its pledge under the Paris Agreement to reduce GHG emissions by 29% (or up to 41% with international assistance) by 2030. Unlike fossil fuel based power generation, solar power produces no direct carbon emissions during operation. This transition not only lowers the carbon intensity of electricity but also helps reduce local air pollution from coal and diesel plants.
Furthermore, solar energy supports sustainable development goals by improving electrification in remote areas, reducing reliance on costly diesel imports, and promoting energy independence. In rural and island regions, off-grid photovoltaic (PV) mini-grids provide reliable electricity while avoiding the high costs of extending transmission lines.
Encouraging Solar Energy Investment and Innovation
The Indonesian government has issued various policies to promote solar energy, including Law No. 30 of 2007 concerning Energy and Presidential Regulation No. 22 of 2017 (RUEN), which set renewable energy targets. However, development remains hampered by limitations on rooftop solar panel capacity, a lack of transparency in pricing mechanisms, and the Build-Own-Operate-Transfer (BOOT) scheme, which is considered unattractive to investors because project assets must be handed over to the government after a certain period. Experts recommend a more flexible Build-Own-Operate (BOO) scheme, allowing investors to permanently own and operate the project, as well as the implementation of one-to-one net metering and fiscal incentives to encourage investment.
On the other hand, the global downward trend in solar module prices presents opportunities, although domestic production capacity remains limited to around 546 MWp per year. Developing upstream industries such as wafer and solar cell production can reduce dependence on imports and create jobs, while technological innovations such as floating solar power plants (PLTS), rooftop solar panels, and hybrid mini-grids are being tested to adapt solar energy utilization across Indonesia.
Hurdles to Overcome in the Solar Energy Transition
Despite its potential, solar power development in Indonesia still encounters major challenges:
- High upfront investment costs and reliance on imported materials.
- Limited grid infrastructure in remote regions.
- Policy uncertainty and lack of investor confidence.
- Competition with heavily subsidized fossil fuels.
Overcoming these barriers requires stronger government commitment through transparent regulations, financial incentives, and infrastructure support. Additionally, fostering collaboration between the public and private sectors, along with international partners, will accelerate progress toward national renewable energy goals.
The transition to clean energy requires the right strategy and in-depth planning. Services such as project feasibility analysis, project design document (PDD) development, and land suitability assessment can help ensure the success of your renewable energy initiative. Get started now to support Indonesia’s commitment to a low-emission future.
Read more:
Feasibility Analysis for Carbon Projects
Author: Ainur Subhan
Editor: Sabilla Reza
References:
Junihartomo, M. T. C., Thamrin, S., & Boedoyo, M. S. (2022). Potential analysis and regulations of solar power plant development in Indonesia. International Journal of Innovative Science and Research Technology, 7(4), 518–522. https://www.ijisrt.com
Sijabat, L. A. M., & Mostavan, A. (2021). Solar power plant in Indonesia: Economic, policy, and technological challenges to its development and deployment. IOP Conference Series: Earth and Environmental Science, 753(1), 012003. https://doi.org/10.1088/1755-1315/753/1/012003