From emission-intensive to investment hotspots: Championing renewables in 3 ASEAN economies - ember-energy.org
Published December 07, 2025
From Emission-Intensive to Investment Hotspots: Championing Renewables in Three ASEAN Economies
The transition from fossil fuels to renewable energy sources is gaining momentum across Southeast Asia, particularly in three ASEAN nations: Vietnam, Indonesia, and the Philippines. These countries, traditionally reliant on carbon-intensive energy production, are now positioning themselves as attractive destinations for renewable energy investments. This shift is driven by a combination of government policies, international support, and the urgent need to address climate change and energy security.
Vietnam: A Leader in Renewable Energy Development
Vietnam has emerged as a frontrunner in the renewable energy sector within the ASEAN region. The Vietnamese government has set ambitious targets for renewable energy development, aiming for renewables to account for 15-20% of the country's total energy mix by 2030. This goal is part of Vietnam's broader energy strategy, which emphasizes the importance of sustainability and reducing greenhouse gas emissions.
In recent years, Vietnam has seen significant investments in solar and wind energy. The country’s solar capacity has surged, with over 16 gigawatts (GW) installed by the end of 2020, making it one of the top solar markets in Southeast Asia. The government has implemented various incentives, such as feed-in tariffs, to attract both domestic and foreign investors into the renewable sector.
Wind energy is also gaining traction, with Vietnam's potential estimated at around 600 GW. The government is actively working to harness this potential, with several projects already underway. The offshore wind sector, in particular, has been identified as a key area for growth, with plans to develop up to 10 GW of offshore wind capacity by 2030.
To support this renewable energy growth, Vietnam is also focusing on improving its grid infrastructure and regulatory framework. The government has initiated reforms to facilitate the integration of renewable energy into the national grid, ensuring that the country can meet its energy demands while transitioning to cleaner sources.
Indonesia: Tapping into Abundant Renewable Resources
Indonesia, the largest archipelago in the world, is endowed with abundant renewable energy resources, including geothermal, hydro, solar, and wind. The government has recognized the potential of these resources and is actively promoting their development as part of its commitment to reducing greenhouse gas emissions and achieving energy independence.
Geothermal energy is a standout in Indonesia's renewable energy landscape, as the country is home to approximately 40% of the world's geothermal reserves. The government aims to increase geothermal capacity to 7.2 GW by 2025, up from the current 2.1 GW. This ambitious target is supported by regulatory frameworks that encourage investment and streamline project development.
In addition to geothermal, Indonesia is also focusing on expanding its solar energy capacity. The government has set a target of reaching 6.5 GW of solar power by 2025, which is part of its broader goal to achieve a renewable energy mix of 23% by 2025. Various initiatives are in place to incentivize solar investments, including tax breaks and simplified permitting processes.
Furthermore, Indonesia's wind energy sector is beginning to take shape, with several projects in development. The government is keen to explore the potential of wind energy, particularly in regions with favorable wind conditions. As part of its energy transition plan, Indonesia is also working to enhance its energy infrastructure and regulatory frameworks to support the integration of renewable energy into the national grid.
The Philippines: Harnessing Diverse Renewable Energy Sources
The Philippines is taking significant steps towards increasing its renewable energy capacity, with a focus on harnessing its diverse natural resources. The country has set a target of achieving a 35% share of renewable energy in the total energy mix by 2030, which includes a combination of solar, wind, hydro, and biomass energy.
Solar energy has seen substantial growth in the Philippines, driven by favorable government policies and incentives. The country has a solar potential estimated at 10 GW, and as of 2021, it had installed around 1.1 GW of solar capacity. The government is promoting solar energy through net metering schemes and feed-in tariffs, which have attracted both local and international investors.
Wind energy is also a key component of the Philippines' renewable energy strategy. The country has an estimated wind potential of 76 GW, with several wind projects already operational. The government is actively facilitating the development of wind energy projects, offering incentives and streamlining the permitting process to encourage investment.
Hydropower remains a significant contributor to the Philippines' renewable energy mix, with over 3.7 GW of installed capacity. The government is exploring opportunities to expand hydropower generation, particularly in remote areas where access to electricity is limited. Additionally, biomass energy is being promoted as a sustainable option for rural electrification and waste management.
Challenges and Opportunities Ahead
While the transition to renewable energy in Vietnam, Indonesia, and the Philippines presents numerous opportunities, several challenges remain. These challenges include regulatory hurdles, financing gaps, and the need for improved grid infrastructure to accommodate increasing renewable energy capacity.
To overcome these challenges, collaboration between governments, private sector stakeholders, and international partners is essential. By fostering an enabling environment for renewable energy investments, these ASEAN economies can accelerate their transition to a sustainable energy future.
As the world moves towards a more sustainable energy landscape, Vietnam, Indonesia, and the Philippines are positioning themselves as key players in the renewable energy sector. With continued investment and commitment to renewable energy development, these countries can transform their energy systems and contribute to global efforts to combat climate change.
Conclusion
The shift from emission-intensive energy production to renewable energy sources in Vietnam, Indonesia, and the Philippines represents a significant opportunity for sustainable development in the ASEAN region. By embracing renewable energy, these countries can enhance energy security, attract investment, and address the pressing challenges of climate change. As they navigate this transition, the potential for growth in the renewable energy sector remains promising, paving the way for a cleaner and more sustainable future.
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