Koto-ku, Tokyo: "Keto-ku Global Warming Prevention Equipment Introduction Grant Project (for business sites)" (FY2019)

This is a subsidy program by Koto Ward to support businesses in installing energy-saving and renewable energy equipment for climate change mitigation. Small and medium-sized enterprises and individual business operators with business facilities in Koto Ward are eligible. The program covers costs for solar power systems, storage batteries, high-efficiency water heaters, LED lighting, thermal insulation improvements, and similar equipment. Subsidy rates typically range from 1/3 to 1/2 of eligible project costs, with specific limits varying by equipment type. The program is limited to business-use equipment; residential applications are covered under a separate scheme. Pre-application consultation with Koto Ward is recommended, and applicants should confirm details and deadlines for fiscal year 2026 on the ward's official website.