Geothermal investments gaining steam – ADB - Philstar.com
Published December 17, 2025
Geothermal Investments on the Rise, According to ADB
The Asian Development Bank (ADB) has reported a significant increase in investments in geothermal energy, highlighting its potential as a sustainable energy source in the Asia-Pacific region. This surge in investment reflects a growing recognition of geothermal energy's role in achieving energy security and addressing climate change challenges.
In its recent report, ADB noted that the global geothermal energy market is projected to reach $7.5 billion by 2026, growing at a compound annual growth rate (CAGR) of 11.6% from 2021. This growth is driven by increasing demand for renewable energy sources, government incentives, and the need for reliable energy solutions in various countries.
Geothermal energy, which harnesses heat from the Earth’s interior, offers a stable and continuous power supply, making it an attractive option for countries aiming to diversify their energy mix. ADB emphasized that geothermal power plants have a low carbon footprint and can significantly contribute to reducing greenhouse gas emissions.
Regional Developments in Geothermal Energy
The report highlighted several countries in the Asia-Pacific region that are making strides in geothermal energy development. Indonesia and the Philippines are leading the way, with both nations possessing vast geothermal resources. Indonesia is the world’s second-largest producer of geothermal energy, with a capacity of 2,140 megawatts (MW), while the Philippines ranks third, with a capacity of 1,900 MW.
In Indonesia, the government has implemented policies to encourage investment in geothermal projects. The country aims to increase its geothermal capacity to 7,200 MW by 2025. This ambitious target is supported by various incentives, including feed-in tariffs and tax breaks for investors.
Meanwhile, the Philippines is also working to expand its geothermal capacity. The Department of Energy has set a target of 3,300 MW by 2030. This goal is part of the country's broader energy plan, which includes a mix of renewable sources to ensure energy security and sustainability.
Investment Opportunities and Challenges
Despite the positive outlook for geothermal investments, ADB identified several challenges that could hinder growth in the sector. One of the primary obstacles is the high initial capital investment required for geothermal projects. Drilling exploration wells and developing geothermal plants can be costly and time-consuming, which may deter potential investors.
Additionally, regulatory frameworks and land access issues can complicate the development process. ADB emphasized the importance of creating a conducive investment environment to attract private sector participation in geothermal energy projects.
To address these challenges, ADB is actively working with governments and stakeholders to develop policies and frameworks that facilitate geothermal investments. This includes providing technical assistance and financial support to help countries navigate the complexities of geothermal energy development.
Global Geothermal Market Trends
The global geothermal market is witnessing a shift towards enhanced geothermal systems (EGS), which involve extracting heat from the Earth’s crust in areas that may not have traditional geothermal resources. EGS technology has the potential to unlock vast geothermal resources, making it a focal point for future investments.
Furthermore, the integration of geothermal energy with other renewable sources, such as solar and wind, is gaining traction. Hybrid systems can provide a more reliable and consistent power supply, making them an appealing option for energy developers.
Countries like Iceland and New Zealand are leading examples of successful geothermal integration, utilizing geothermal energy not only for electricity generation but also for direct heating applications. These practices can serve as models for other nations looking to maximize the benefits of geothermal energy.
Future Prospects for Geothermal Energy
Looking ahead, ADB expects the geothermal energy sector to continue its upward trajectory as countries increasingly prioritize renewable energy sources. The ongoing global shift towards decarbonization and sustainable development will likely create new opportunities for geothermal investments.
As technology advances and costs decrease, geothermal energy is poised to become a more accessible and viable option for many countries. ADB's commitment to supporting geothermal development through financing and technical assistance will be crucial in realizing the full potential of this renewable energy source.
In conclusion, the ADB report underscores the growing recognition of geothermal energy as a key player in the renewable energy landscape. With substantial investments and supportive policies, geothermal energy has the potential to contribute significantly to the region's energy needs while addressing environmental concerns.
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