To increase the self-consumption of electricity generated by solar power in homes and improve energy self-sufficiency during emergencies, grants are provided for the costs involved in installing solar power generation systems and battery storage systems.
Tokyo: Home Battery Storage Installation Promotion Program (FY2026)
September 7, 2026
Summary
Tokyo provides grants for the costs of installing solar power generation systems and battery storage systems in homes. The program aims to increase household self-consumption of solar-generated electricity and improve energy self-sufficiency during emergencies.
Key Information
| Location | Tokyo |
|---|---|
| Opening Status | Open for Applications |
| Application Period | May 29, 2026 – Mar 31, 2027 |
| Max Subsidy Amount | ¥1,200,000 |
| Subsidy Rate | Fixed amount; maximum amount may vary depending on the project |
| Purpose | Equipment investment / renewable energy and energy storage |
| Eligible Expenses | Machinery and equipment costs / construction costs |
| Eligible Applicants | Corporations / individuals |
| Implementing Agency | Tokyo Metropolitan Environment Public Corporation |
| Official Page | https://www.tokyo-co2down.jp/subsidy/family_tikudenchi/r8/ |