| Fuel cell | Battery | PV | Self-sufficient rate | Energy cost (103 JPY/year) | CO2 emission (t CO2/year) |
Base |
|
|
| 0% | 294.9 | 4.03 |
FC | X |
|
| 61% | 392.7 | 3.12 |
FC + BT | X | X |
| 61% | 570.1 | 3.12 |
PV |
|
| X | 43% | 288.9 | 2.88 |
HB | X |
| X | 101% | 378.3 | 2.03 |
HB + BT | X | X | X | 101% | 548.4 | 2.10 |