From Constraints to Cooperation: Singapore and Southeast Asia’s Energy Transition

Across Southeast Asia, most countries have articulated net-zero or carbon-neutrality targets, signalling a clear collective commitment to the energy transition.¹ However, translating these ambitions into implementation remains a structural challenge: how do we mobilise capital at scale, reduce risk, strengthen regional cooperation, and ensure the transition delivers both climate and development outcomes?

Using the United Nations Development Programme’s (UNDP) framework on innovative governance for private sector engagement, this article – through examining how Singapore supports the region’s energy transition by developing governance and financial frameworks to mobilise investment and strengthen collaboration – showcases how partnership-oriented governance and financial mechanisms can help align private incentives with public and regional development objectives².
 

Energy Transition in Southeast Asia: A Structural and Development Challenge

Electricity demand in Southeast Asia has tripled over the past two decades, driven by economic growth, industrialisation, and expanded access to electricity.³ Yet this growth has largely been met through fossil fuels, particularly coal, which continues to account for around 45% of the region’s power generation.⁴ Although renewable deployment is accelerating, the pace of change remains insufficient to meet climate targets while supporting inclusive and resilient development.

These gaps do not stem from a lack of renewable resources or national ambition. Many ASEAN countries possess abundant access to renewable energy, such as solar, wind, and hydropower and have committed to net-zero pathways. The challenge lies instead in the fragmented grid systems, limited cross-border interconnections, and high financing costs.⁵ Together, these structural challenges raise project risk, undermine bankability, and lead to slow progress. These impacts are most acute in lower-income and emerging markets with limited fiscal headroom.

In contrast, Singapore has limited land and natural resources, but has strong regulatory institutions, deep financial markets, and policy credibility, which position Singapore well in the climate transition.⁶ This creates opportunities to move beyond isolated national approaches and towards cooperation built on complementary roles.

The International Energy Agency (IEA) has estimated that countries in Southeast Asia will need to double annual investment to nearly US$30 billion (S$38.4 billion) by 2035 to integrate renewable energy at scale.⁷ Meeting this need requires more than capital availability; it depends on mechanisms that reduce risk, improve coordination, and align private investment with public and regional priorities. Singapore’s contribution sits primarily at this enabling layer, consistent with UNDP’s emphasis on partnership-oriented governance.
 

Sustainable Finance as an Enabling Mechanism

Over the past decade, Singapore has developed sustainable and transition financing frameworks that correspond to the realities of Southeast Asia’s development pathways. The Finance for Net Zero (FinZ) Action Plan by the Monetary Authority of Singapore (MAS) marked a shift from a narrow focus on green assets, towards recognising the importance of financing credible transition activities, particularly in carbon-intensive sectors that remain central to many Southeast Asian economies.⁸

This approach is especially relevant for developing countries, where decarbonisation often involves gradual system transformation rather than immediate replacement. Financing frameworks that recognise transition pathways, while maintaining safeguards against greenwashing, can help unlock capital aligned with national climate transition priorities.

The Singapore-Asia Taxonomy for Sustainable Finance, the world’s first multi-sector transition taxonomy, provides a practical reference for classifying economic activities into green, transition, and ineligible categories^.9 Its adoption at the regional level, including alignment with the ASEAN Taxonomy for Sustainable Finance,¹⁰ highlights how shared standards can reduce uncertainty for investors while respecting diverse national contexts.

These tools represent examples of direct policy actions that enable decarbonisation pathways in the region.

Blended Finance and Risk-Sharing for Development Impact

The climate transition is best supported by different financing approaches. While sustainable finance frameworks shape market behaviour, blended finance addresses risk directly. By using concessional capital to absorb early losses, blended finance can mobilise private investment in markets and sectors that might otherwise remain underserved.

Singapore has pioneered blended finance platforms such as the Financing Asia’s Sustainable Transition Partnership (FAST-P). The platform aims to mobilise up to US$5 billion (S$6.41 billion) by pairing up to US$500 million of Singapore government concessional capital with matched funds from international partners to strategically attract additional commercial investment.¹¹ FAST-P’s structure is designed to catalyse capital at scale for priority areas including clean power, grid infrastructure, and hard-to-abate sectors that are critical to regional transition pathways.

An example of this approach in action is the US$55 million (S$70 million) financing extended by Pentagreen Capital to Citicore Solar Energy Corporation in the Philippines for solar and battery energy storage projects.¹² Pentagreen Capital is a Singapore-based sustainable infrastructure debt platform, appointed as a fund manager under FAST-P. While it operates as an independent investment platform, such transactions illustrate the type of risk-sharing and capital mobilisation that FAST-P seeks to enable through its broader ecosystem.
 

Private Capital and Regional Deployment

While blended finance can unlock early-stage and higher-risk projects, private capital nonetheless remains essential for scaling the energy transition. Singapore’s regulatory stability and financial ecosystem have attracted renewable developers, infrastructure funds, and asset managers with operations across Southeast Asia.

This has created a functional division of roles: financing, risk management, and coordination are often anchored in Singapore, while project development and generation occur in neighbouring countries where renewable resources are abundant. When aligned with national strategies, this model can support host countries by improving access to capital and accelerating deployment. The examples of Vena Energy¹³ and Peak Energy¹⁴ illustrate how this model can operate in practice:
 

Cooperation as a Foundation for Transition

Southeast Asia’s energy transition is shaped by diversity in resources, institutional capacity, and development trajectories. Addressing climate risk while supporting economic growth requires more than rapid deployment; it requires systems that mobilise capital, manage risk, and enable cross-border cooperation.

Regional initiatives such as the ASEAN Power Grid and the Lao PDR–Thailand–Malaysia–Singapore Power Integration Project (LTMS-PIP) demonstrate how cooperation can unlock complementarities by linking renewables-rich areas with fast-growing demand centres. Under the first phase, the LTMS-PIP transmitted up to 100 MW of hydropower to Singapore.¹⁵ Building on these efforts, Singapore’s establishment of the Singapore Green Electricity Imports represents a further step to de-risk regional electricity imports by aggregating demand, engaging suppliers, and facilitating long-term contracting. These mechanisms are critical to crowding in private capital and strengthening confidence in cross border power markets.

As Southeast Asia moves toward deeper power system integration, trust, regulatory alignment, and long-term partnerships will be essential. Accelerating the region’s energy transition will depend not only on national policies or technologies, but on the ability to convert diversity into complementarity, ensuring that climate action supports inclusive and sustainable development.
 

This is the fourth and final piece of our Article Series with the UNDP Global Centre for Technology, Innovation, and Sustainable Development (GC-TISD). Find out more about the series, read the first, second and third articles here:

Singapore’s climate action ecosystem for fostering sustainable development

Understanding our climate: Singapore’s journey from data to action

Building a sustainable future: Singapore's multi-pronged approach to climate mitigation
 

Footnote:

¹ International Energy Agency. 2024. “Southeast Asia Energy Outlook 2024 – Executive Summary.”

² UNDP Sustainable Energy Hub. 2024. “Innovative Governance for Private Sector in Just Energy Transition
”UNDP’s framework on innovative governance for private sector engagement highlights that effective energy transitions rest on two interconnected pillars: direct public policy actions, and strategies that strengthen partnerships between public and private actors. Previous articles in this series explored how policy instruments, such as carbon pricing and sectoral strategies, can steer decarbonisation pathways.

³ International Energy Agency. 2024. “Southeast Asia Energy Outlook 2024.”

⁴ International Energy Agency. 2024. “Southeast Asia Energy Outlook 2024 – Analysis - IEA”

⁵ International Energy Agency. 2023. “ASEAN Renewables: Opportunities and Challenges.”

⁶ Economic Development Board Singapore. 2023. “Powering Progress in Southeast Asia’s Renewables Development.”

⁷ Reuters. 2024. “Southeast Asia needs to boost investments five-fold by 2035 to meet climate goals, IEA says.”

⁸ Monetary Authority of Singapore. 2023. “MAS Launches Finance for Net Zero Action Plan”.

⁹ Monetary Authority of Singapore. 2023. “MAS Launches World’s First Multi-Sector Transition Taxonomy”

¹⁰ ASEAN Capital Markets Forum, 2024. “ASEAN Taxonomy for Sustainable Finance Version 4”

¹¹ National Climate Change Secretariat, Singapore, 2025. “Opening Remarks by Singapore's Ambassador for Climate Action at COP30 Singapore Pavilion”

¹² Pentagreen. 2025. “Pentagreen Capital backs Citicore Renewable Energy Corporation with US$55 million financing for solar and battery storage projects in the Philippines”

¹³ Pentagreen. 2025. “Pentagreen Capital backs Citicore Renewable Energy Corporation with US$55 million financing for solar and battery storage projects in the Philippines”

¹⁴ Peak Energy. 2025. “Peak Energy Breaks Ground in the Philippines with 65 MWp Solar Project.” September 2, 2025.

¹⁵ Reccessary. 2022. "Singapore Receives Its First Renewable Energy Import from Laos." 2022