WinyahRetirement planned
Georgetown County, South Carolina · EIA plant ID 6249 · Operator: South Carolina Public Service Authority
114 MW planned (Petroleum Liquids), first expected Dec 2027 · EIA-860M
Nameplate1,276MWSummer 1,130 MW
Generators4in service
Net generation4,442GWh12 mo to Aug 2026
Capacity factor45%gas/coal/oil units, summer MW
Heat rate11,138Btu/kWhfossil units, electric fuel, HHV
First online1975Runs as intermediate
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 7,563.8 | 74.8% | 10,172 |
| 2002 | 7,720.9 | 76.3% | 10,069 |
| 2003 | 7,681.1 | 75.9% | 9,996 |
| 2004 | 7,690.1 | 75.8% | 9,896 |
| 2005 | 7,842.1 | 77.5% | 10,063 |
| 2006 | 7,994.3 | 79.0% | 10,398 |
| 2007 | 7,565.6 | 74.8% | 10,584 |
| 2008 | 6,947.5 | 68.5% | 10,366 |
| 2009 | 5,863.4 | 59.2% | 10,351 |
| 2010 | 6,070.1 | 61.3% | 9,985 |
| 2011 | 5,079 | 51.3% | 10,616 |
| 2012 | 2,512.2 | 25.3% | 11,032 |
| 2013 | 1,289.1 | 13.0% | 10,880 |
| 2014 | 4,690.2 | 47.4% | 10,597 |
| 2015 | 3,910.6 | 39.5% | 10,717 |
| 2016 | 2,210.5 | 22.3% | 11,024 |
| 2017 | 1,214 | 12.3% | 11,363 |
| 2018 | 1,582.8 | 16.0% | 10,731 |
| 2019 | 712.3 | 7.2% | 12,741 |
| 2020 | 2,281.5 | 23.0% | 11,295 |
| 2021 | 3,084.3 | 31.2% | 10,915 |
| 2022 | 2,327.2 | 23.5% | 11,170 |
| 2023 | 2,646.7 | 26.7% | 11,237 |
| 2024 | 3,633.5 | 36.6% | 11,026 |
| 2025 | 4,216 | 42.6% | 10,913 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Steam Coal | ST | 330.8 | 275 | Mar 1975 | Operating · retirement planned | Dec 2030 | coming soon |
| 2 | Conventional Steam Coal | ST | 315 | 285 | Jul 1977 | Operating · retirement planned | Dec 2030 | coming soon |
| 3 | Conventional Steam Coal | ST | 315 | 285 | May 1980 | Operating · retirement planned | Dec 2030 | coming soon |
| 4 | Conventional Steam Coal | ST | 315 | 285 | Nov 1981 | Operating · retirement planned | Dec 2030 | coming soon |
| 5 | Petroleum Liquids | GT | 57 | 44 | planned Dec 2027 | Planned | — | coming soon |
| 6 | Petroleum Liquids | GT | 57 | 44 | planned Dec 2027 | Planned | — | coming soon |
Owner / operator
Operator: South Carolina Public Service Authority. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| South Carolina Public Service Authority | 100.0% | 1,276 MW |
Nearby plants
Within 80 km.
| International Paper Georgetown Mill | 96 MW | 6 km |
| Georgetown LFGTE | 1 MW | 14.1 km |
| SR Georgetown | — | 14.5 km |
| SR Lambert II | 100 MW | 19.2 km |
| SR Lambert I, LLC | 100 MW | 19.2 km |
| Kingstree East 230 Solar Project | — | 27.6 km |