The RPTCC-15 Meeting was held to: (1) give updates on the Greater Mekong Subregion (GMS) countries’ latest power development plans; (ii) discuss the establishment of the Regional Power Coordination Center (RPCC) headquarters and refine its articles of association; (iii) review the Minister-endorsed Regional Investment Framework (RIF) energy sector pipeline and prepare for its implementation; (iii) review the final report of the strategic environmental assessment (SEA) for GMS regional power development; and, (iv) discuss continuing assistance from development partners to promote GMS power trade. RPTCC-15 also featured a site visit to the Song Bung 4 Hydropower Project.