necessity to meet rising electricity demand, advance energy transition goals, and support regional resilience in the face of climate and energy security challenges. in the ASEAN Interconnector Masterplan Study (AIMS), which identifies the most promising cross-border interconnections based on their techno-economic viability. With three editions published to date, the most recent AiMS Ill Phase 1-2 outlines planning, power exports are driving most investment First are grid-to-grid projects, which create a new connection between domestic from a pool of generation sources. Such projects are developed and financed independently from any one power plant; hence the revenue stream is based to-grid projects. These projects are within the scope of this study and are included in investment values.