Japan has 14377 power plants totalling 220,776 MW and 74,333 km of power lines mapped on OpenStreetMap.
| Source | Output | Count |
|---|---|---|
| gas | 82,201 MW | 74 |
| coal | 43,452 MW | 68 |
| nuclear | 41,538 MW | 19 |
| oil | 29,524 MW | 32 |
| hydro | 19,522 MW | 547 |
| solar | 2,427 MW | 13202 |
| biomass | 834 MW | 35 |
| wind | 541 MW | 29 |
| geothermal | 494 MW | 17 |
| waste | 107 MW | 26 |
| battery | 90 MW | 2 |
| diesel | 40.50 MW | 2 |
| biofuel | 6.25 MW | 1 |
| [unspecified] | 323 | |
| All | 220,776 MW | 14377 |
If multiple sources are listed for a power plant, only the first source is used in this breakdown.
Show plants under construction
| Voltage | Length | Percentage |
|---|---|---|
| 0 V – 9 kV | 93 km | 0.1% |
| 10 kV – 24 kV | 157 km | 0.2% |
| 25 kV – 51 kV | 791 km | 1.1% |
| 52 kV – 131 kV | 27,975 km | 37.6% |
| 132 kV – 219 kV | 13,091 km | 17.6% |
| 220 kV – 329 kV | 11,328 km | 15.2% |
| 330 kV – 549 kV | 8,666 km | 11.7% |
| 550 kV – | 157 m | 0.0% |
| No voltage tagged | 12,233 km | 16.5% |
| Total | 74,333 km | 100.0% |
Stats updated 2025-08-13