This study provides a comprehensive analysis of renewable energy development in ASEAN, focusing on policies, environmental impact, and economic implications. It examines the effectiveness of renewable energy policies across member countries, highlighting challenges in implementation and the need for effective policy frameworks to drive investment. The review explores environmental concerns, including land use change, soil erosion, water use, and waste generation, while emphasizing the potential economic benefits such as GDP growth, job creation, and reduced dependence on energy imports. Addressing challenges and promoting sustainable development are crucial for achieving renewable energy targets in ASEAN.