National share by fuel (latest month, ≥0.5%)
| Period | % |
|---|---|
| Pumped storage | 0.69 |
| Wind | 0.97 |
| Biomass | 1.45 |
| Solar | 1.58 |
| Fuel cell | 1.59 |
| LNG | 27.35 |
| Nuclear | 30.32 |
| Bituminous coal | 33.89 |
Of 8 items, the highest is Bituminous coal (33.89 %) and the lowest is Pumped storage (0.69 %).
Source: KPX, data.go.kr 15127395 (2023 file FILE_000000002894812, 2025 file FILE_000000003675835) · Chart: Renuary · retrieved 2026-09-28
- Unit
- %
- Period
- 2023-01~2023-12, 2025-01~2025-12
- Updates
- Yearly (portal update cycle) · retrieved 2026-09-28 · next expected 2027-08-13
- Source
- KPX, data.go.kr 15127395 (2023 file FILE_000000002894812, 2025 file FILE_000000003675835)
- Processing
- Market trading volume (sent-out). Excludes direct KEPCO purchases (PPA) and self-generation, so renewables look lower than in generation statistics (6–7%). The 2024 file lists 13 renewable types only and is excluded. fuel_group is Renuary's grouping; the source category is fuel_ko.
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- CSV
Jeju share by fuel (latest month, ≥0.5%)
| Period | % |
|---|---|
| Wind | 0.65 |
| Solar | 7.4 |
| LNG | 23.55 |
| Dispatchable renewables | 31.52 |
| Bio heavy oil | 36.37 |
Of 5 items, the highest is Bio heavy oil (36.37 %) and the lowest is Wind (0.65 %).
Source: KPX, data.go.kr 15161308 (FILE_000000007634738) · Chart: Renuary · retrieved 2026-09-28
- Unit
- %
- Period
- 2010-01~2025-12
- Updates
- Yearly (portal update cycle) · retrieved 2026-09-28 · next expected 2027-09-18
- Source
- KPX, data.go.kr 15161308 (FILE_000000007634738)
- Processing
- Excludes power received over the HVDC link, so this is the mix of generation on Jeju only.
- Download
- CSV
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