This report provides a brief overview of ASEAN’s power sector landscape in 2023, tracks energy transition development in the past five years, presents several scenarios on decarbonisation for ASEAN, documents policy changes in the past year and emerging discourses in ASEAN energy transition. This report presents strategies to fine-tuning policies to reduce dependence on fossil fuels and start the systemic shift necessary for a clean power sector transition, providing strategic guidance for policymakers, researchers and energy practitioners in the region.