While Korea’s commitment for ODA in CLMV countries (Cambodia, Laos, Myanmar, and Vietnam) has mainly focused on economic infrastructure and services, its aids in the energy sector have been low with only 3.2%. To maximize Korea’s ODA for CLMV countries, this study aims to build a concrete cooperation programs in energy sector for each of these countries. After analyzing energy conditions in four countries, the study suggests that (1) constant communication between partner countries, (2) consideration of energy’s synergistic effect with other sectors, (3) community involvement, and (4) institutional strengthening and capacity building are essential for successful cooperative programs.