South Korea has 4224 power plants totalling 121,402 MW and 15,187 km of power lines mapped on OpenStreetMap.
| Source | Output | Count |
|---|---|---|
| coal | 43,374 MW | 30 |
| gas | 42,810 MW | 125 |
| nuclear | 26,683 MW | 6 |
| hydro | 6,408 MW | 135 |
| oil | 856 MW | 7 |
| biomass | 488 MW | 30 |
| solar | 406 MW | 3748 |
| tidal | 256 MW | 2 |
| biogas | 51 MW | 43 |
| [unspecified] | 39.00 MW | 26 |
| waste | 30.74 MW | 22 |
| wave | 500 kW | 1 |
| diesel | 2 | |
| wind | 46 | |
| battery | 1 | |
| All | 121,402 MW | 4224 |
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 | 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 | 9,417 km | 62.0% |
| 220 kV – 329 kV | 109 km | 0.7% |
| 330 kV – 549 kV | 4,584 km | 30.2% |
| 550 kV – | 562 km | 3.7% |
| No voltage tagged | 401 km | 2.6% |
| Total | 15,187 km | 100.0% |
Stats updated 2026-10-30