|
| Price (103 JPY) | Subsidy (103 JPY) | Lifespan (year) |
| Gas tankless water heater | 360.0 | 0.0 | 10 |
| Fuel cell | 2761.5 | 850.0 | 10 |
| Battery | 1680.0 | 0.0 | 10 |
| PV | 1740.0 | 144.0 | 20 |