OpenInfraMap

 ⟩ Stats ⟩ South Korea

South Korea has 3305 power plants totalling 121,744 MW and 15,099 km of power lines mapped on OpenStreetMap.

Power plants in South Korea by source
Source Output Count
coal 44,374 MW 26
gas 42,249 MW 118
nuclear 26,683 MW 6
hydro 6,403 MW 124
oil 856 MW 7
biomass 488 MW 30
solar 331 MW 2855
tidal 256 MW 2
biogas 51 MW 43
[unspecified] 39.00 MW 25
waste 14.56 MW 18
wave 500 kW 1
diesel 2
wind 47
battery 1
All 121,744 MW 3305

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 9,367 km 62.0%
220 kV – 329 kV 109 km 0.7%
330 kV – 549 kV 4,557 km 30.2%
550 kV – 557 km 3.7%
No voltage tagged 394 km 2.6%
Total 15,099 km 100.0%

Stats updated 2025-09-02