An analysis by energy think tank Ember suggests that expanding renewable energy and grid interconnection across ASEAN nations would significantly improve power system resilience during extreme weather and natural disasters. The report notes that approximately 64% of ASEAN’s installed power capacity currently derives from fossil fuels, creating vulnerability in a region frequently affected by climate-related emergencies. Modeling indicates that even under extreme weather scenarios in 2030, wind and solar generation would experience variations of less than 1% from standard output levels, compared with substantially greater losses experienced by thermal and nuclear facilities under milder warming conditions.
The analysis identifies two primary challenges for the region’s energy infrastructure: chronic climate stress that gradually reduces output across multiple energy sources, and acute disaster events capable of destroying generation and transmission assets. Distributed renewable systems manage both threats more effectively than centralized fossil fuel infrastructure because damage remains localized and can be repaired without cascading effects across the entire network. Solar and battery storage solutions are noted as faster to deploy and repair following disasters.
The report examines regional case studies demonstrating these advantages. In Indonesia’s Central Sulawesi province, a 2018 earthquake damaged coal generation and affected over 1,100 distribution units. Current energy plans call for additional coal capacity by 2030, though Ember’s modeling suggests solar and battery installations could offset a substantial portion of this expansion while offering faster deployment and recovery. In the Philippines, efforts to interconnect Catanduanes island with the main Luzon grid are projected to address chronic power outages resulting from typhoons and diesel dependency. Vietnam’s experience with solar curtailment in 2020 highlights infrastructure limitations that improved transmission and storage could resolve.
Ember recommends integrating energy planning into regional disaster management frameworks and investing in grid interconnection, flexibility, and storage capabilities. Officials from the Philippines and international policy centers emphasized that power system resilience must parallel decarbonization efforts as ASEAN confronts intensifying climate risks and seeks to build energy systems capable of withstanding and rapidly recovering from future disruptions.
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