OpenInfraMap

 ⟩ Stats ⟩ South Korea

South Korea has 3425 power plants totalling 123,123 MW and 15,144 km of power lines mapped on OpenStreetMap.

Power plants in South Korea by source
Source Output Count
coal 44,374 MW 31
gas 43,612 MW 123
nuclear 26,683 MW 6
hydro 6,403 MW 124
oil 856 MW 7
biomass 488 MW 30
solar 331 MW 2963
tidal 256 MW 2
biogas 51 MW 43
[unspecified] 39.00 MW 25
waste 30.74 MW 20
wave 500 kW 1
diesel 2
wind 47
battery 1
All 123,123 MW 3425

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 0 m 0.0%
10 kV – 24 kV 115 km 0.8%
25 kV – 51 kV 0 m 0.0%
52 kV – 131 kV 0 m 0.0%
132 kV – 219 kV 9,437 km 62.3%
220 kV – 329 kV 109 km 0.7%
330 kV – 549 kV 4,556 km 30.1%
550 kV – 557 km 3.7%
No voltage tagged 370 km 2.4%
Total 15,144 km 100.0%

Stats updated 2025-10-13