This project is intended to expand the installation of solar power generation systems in Tokyo by promoting projects carried out by businesses that eliminate the initial costs for homeowners associated with installing residential solar power generation systems and other equipment.
Tokyo: Enhancement Project to Promote Zero Initial Costs for Residential Solar Power Generation (FY2026)
October 2, 2026
Summary
This project promotes business-led installations of residential solar power generation systems and other equipment without initial costs for homeowners, with the aim of expanding solar power installations in Tokyo.
Key Information
| Location | Tokyo |
|---|---|
| Opening Status | Open for Applications |
| Application Period | Oct 1, 2026 – Mar 31, 2027 |
| Max Subsidy Amount | ¥1,200,000 per unit |
| Subsidy Rate | ・Residential solar power generation system: Fixed amount・Functional PV: Fixed amount・Storage battery system: Fixed amount※The maximum amount may vary depending on the eligible equipment and other factors. |
| Purpose | Capital investment / Renewable energy and energy storage / Environment |
| Eligible Expenses | Equipment purchase costs / Construction costs |
| Eligible Applicants | Businesses in the relevant area |
| Implementing Agency | Tokyo Metropolitan Environment Public Corporation |
| Official Page | https://www.tokyo-co2down.jp/subsidy/initial-cost0-zokyo/r08/ |