This Energy Sector Directional Guide provides the strategic direction of the Asian Development Bank (ADB) for the energy sector. This sector guide describes the context and rationale that will guide ADB's agenda in supporting developing member countries (DMCs) with financing, knowledge, convening ability, and technical assistance (TA) to ensure improved coherence, relevance, efficiency, and effectiveness of ADB's energy sector investments. The guide also outlines the priorities and focus for the energy sector in line with Strategy 2030. This sector guide is designed to be a living document, to be updated as needed to remain relevant to the dynamic development context of Asia and the Pacific. A midterm review is to be conducted following the expected review of the Energy Policy in 2025. This guide is volume 2 in the seven-volume collection, Strategy 2030 Sector Directional Guides.