Shinjuku Ward, Tokyo: FY2026 Energy Efficiency and Renewable Energy Equipment Subsidy Program (Residential & Multi-family Housing) Round 4

This is Shinjuku Ward's subsidy program to promote the installation of energy-saving and energy-generating equipment in residential buildings, advancing regional energy efficiency and decarbonization. The program targets owners and residents of detached houses, condominiums, and multi-unit residential buildings located in Shinjuku Ward. Subsidies are provided for installation of solar panels, storage batteries, high-efficiency water heaters, thermal insulation upgrades, and other energy-saving equipment, with maximum subsidy amounts ranging from tens of thousands to several hundred thousand yen depending on equipment type. Eligibility requires that the target residence be located in Shinjuku Ward and that contractors meet specified requirements. As this is the 4th period of fiscal year 2026, early application is recommended due to limited budget availability.