Energy Storage Technologies – TEPCO Power Grid outlined global trends and ASEAN's current status, recommending battery energy storage systems (BESS) deployment to enhance renewable integration. Leading to this COP, the ASEAN region is reaffirming its commitment to combat climate change through its annual Joint Statement o Climate Change [1]. The region reiterates its steadfast dedication to the UNFCCC and the Paris Agreement, stressing the principles of equity and. . In this context, Behind-the-Meter (BTM) Battery Energy Storage Systems (BESS) stands as a key enabler of this transformation, offering innovative solutions to enhance energy security, integrate renewable energy sources, and ensure stable and efficient grid operations. This paper explores the role. . Beijing, China, and Sunway City Kuala Lumpur, Malaysia (March 25, 2025) — The Global Energy Interconnection Development and Cooperation Organization (GEIDCO), in collaboration with UN Sustainable Development Solutions Network (SDSN) Asia Headquarters at Sunway University, launched the ASEAN. . In recent years, ASEAN has put efforts towards energy transition and carbon neutrality as targets, aligned with the global efforts. In 2025, most ASEAN countries had achieved an energy transition index higher than the average, reflecting the region's efforts towards energy transition. From January to May 2025, Southeast Asia has witnessed a surge in clean energy developments, with large-scale solar, wind, and battery storage projects. . Bangkok, 26 September 2025: ERIA, in collaboration with the ASEAN Centre for Energy (ACE) and the Electricity Generating Authority of Thailand (EGAT), convened the Second Regional Workshop on the ASEAN Power Grid (APG) and New Technologies on 25–26 September 2025 in Bangkok, Thailand.