OpenInfraMap

 ⟩ Stats ⟩ Japan

Japan has 14581 power plants totalling 220,777 MW and 74,358 km of power lines mapped on OpenStreetMap.

Power plants in Japan by source
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 548
solar 2,428 MW 13405
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 220,777 MW 14581

If multiple sources are listed for a power plant, only the first source is used in this breakdown.

Show plants under construction

Power Lines
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 28,029 km 37.7%
132 kV – 219 kV 13,091 km 17.6%
220 kV – 329 kV 11,180 km 15.0%
330 kV – 549 kV 8,400 km 11.3%
550 kV – 424 km 0.6%
No voltage tagged 12,195 km 16.4%
Total 74,358 km 100.0%

Stats updated 2025-09-16