The Association of Southeast Asian Nations (Asean) energy transition has entered a critical phase. The first Asean Summit under the Philippines’ 2026 Chairship took place amid sharper geopolitical tensions, fuel price volatility and growing concerns over energy security.
For Southeast Asia, this is not an abstract policy debate. Energy prices shape household welfare, industrial competitiveness, public services and the daily lives of more than 680 million people.
This reality sits at the heart of Asean’s energy trilemma: how to secure reliable energy, maintain affordability, and accelerate decarbonisation simultaneously.
None of these goals can be treated as optional. Energy security cannot come at the cost of long-term climate risk. Affordability cannot depend on continued exposure to volatile fossil fuel markets. Sustainability cannot be pursued in a way that leaves communities, workers or poorer households behind.
The urgency is stark. The Asean Centre for Energy (ACE) projects that Southeast Asia’s energy demand could surge to 2.6 times its 2022 level by 2050. Alarmingly, under current trajectories, around 82 per cent of this demand is still expected to be met by fossil fuels. The question for Asean is therefore no longer whether it supports an energy transition, but whether it can deliver it fast enough, fairly enough, and at scale.
This year’s energy meetings have sharpened that test. The Special Senior Officials Meeting on Energy in Bohol placed regional interconnection at the centre of Asean’s 2026 energy priorities, including the operationalisation of the Enhanced Asean Power Grid Memorandum of Understanding, multilateral power trade, APG financing and renewable energy integration.
The 44th SOME in June should now turn that momentum into an execution agenda for energy security, resilience and clean growth. The Asean Power Grid is the right place to start because it can address all three sides of the trilemma. Better interconnection can improve security by allowing countries to share supply, improve affordability by using lower-cost resources across borders, and improve sustainability by integrating more renewable energy.
Asean already has a working example. The Lao PDR-Thailand-Malaysia-Singapore Power Integration Project, or LTMS-PIP, showed that multilateral electricity trade is possible. Launched on 23 June 2022, it enabled up to 100 MW of renewable hydropower from Lao PDR to be exported to Singapore through Thailand and Malaysia using existing interconnections, marking Singapore’s first renewable electricity import through regional multilateral power trade.
Its second phase will double traded capacity from up to 100 MW to a maximum of 200 MW, strengthening LTMS-PIP as a practical building block for the Asean Power Grid.
The Enhanced APG MoU now gives Asean a stronger platform to scale such cooperation. The Asean Power Grid Consultative Committee is expected to lead operationalisation through technical, regulatory and policy task forces, with workplans covering infrastructure, grid integration, market rules, standards, planning and renewable energy certificates.
But task forces alone will not rewire Southeast Asia’s energy system. Asean still faces fragmented national policies, different electricity market designs, uneven grid readiness, regulatory inconsistencies and large financing gaps. The scale is substantial; AIMS III, published by HAPUA and ACE, estimates that US$764 billion is needed for transmission and power generation under high variable renewable energy adoption.
The hardware of regional interconnection is only half the battle; the next stage is about the “software” of economic transformation. The energy transition cannot remain a siloed technical agenda. It must become the region’s primary economic and social narrative: a blueprint for how Asean attracts green capital, builds local manufacturing hubs, creates high-skilled jobs, and secures energy sovereignty in a fractured world.
To break this gridlock, the Philippines’ 2026 Asean Chairship must shift momentum from high-level promises into ready-to-invest actions. At the 44th SOME this June and the next Asean Summit, officials should anchor their execution roadmap around a unified strategy championed by the Southeast Asia Energy Transition Collaborative Network (SETC), a regional coalition of think tanks, civil society, and research institutes driving independent, action-oriented policy solutions.
Under SETC’s proposed Southeast Asia Energy Transformation Initiative (SEA-ETI) framework, the region can move beyond scattered national efforts toward a cohesive economic bloc.
This transformation requires evolving the newly established APG Financing Initiative into a comprehensive Asean Green Investment Platform. By pooling bankable clean energy projects under the unified Asean Green Taxonomy, this platform can mitigate cross-border risks, unlock blended finance, and attract the massive institutional capital that individual member states struggle to secure alone.
Concurrently, establishing a regionally owned Asean Just Energy Transition Partnership (Asean-JETP) would allow Southeast Asia to collectively negotiate international concessional funding, scaling up early coal retirement while funding robust worker reskilling programmes.
Crucially, SETC emphasises that hardware like transmission lines and submarine cables must not be built in a vacuum. To maximise regional returns, this infrastructure must be structurally tied to a broader industrial strategy. This means establishing localised Green Industry Corridors that link clean energy nodes directly to cross-border manufacturing hubs, alongside a Clean Energy Workforce Initiative to standardise vocational training.
By harmonising grid rules and ensuring policy continuity across rotating Asean chairmanships, the region can guarantee that the power grid functions as the foundational spine of Southeast Asia’s future economic competitiveness.
The regional milestones set for 2030 are unambiguous: cutting energy intensity by 40 per cent and ensuring renewables comprise nearly half of all installed power capacity. Realising these benchmarks demands converting high-level policy blueprints into inclusive, boots-on-the-ground mechanisms. Local communities, small businesses, and the domestic workforce must not merely witness this shift; they must be positioned to actively drive and profit from the burgeoning green economy.
The institutional scaffolding and regulatory frameworks are already in place. What the region lacks is not intent, but immediate, coordinated implementation. Ultimately, forging a clean, secure, and resilient power network is far more than a technical triumph; it is a binding promise to the public. Southeast Asia’s decarbonised future cannot be built at the expense of its current population; the transition must shield vulnerable households today while anchoring the long-term prosperity of tomorrow.
Associate Professor Dr Nora Yusma Mohamed Yusof is Director of the Institute of Energy Policy & Research (IEPRe) at Universiti Tenaga Nasional (UNITEN).
