Winyah — Plant Summary
- EIA Plant ID
- 6249
- Capacity
- 1275.8 MW
- Primary Fuel
- Coal
- Technology
- Conventional Steam Coal
- Status
- Operating
- Location
- Georgetown, SC
- Operating Since
- 1975
- Generators
- 4
- Operator
- South Carolina Public Service Authority
- Parent Company
- South Carolina Public Service Authority
- Annual Generation
- 4,216,009 MWh
- Capacity Factor
- 37.7%
- Balancing Authority
- South Carolina Public Service Authority
- ISO/RTO
- —
- NERC Region
- SERC
Winyah
OperatingBit. Coal
Ranked #2 of 4 Bit. Coal plants in SC#29 of 66 nationally
1275.8 MW Bit. Coal operating in Georgetown, SC — South Carolina Public Service Authority
EIAWD
1,275.8 MW
Nameplate Capacity
4
Generators
units
Conventional Steam Coal
Technology
1975
Operating Since
Location
Coordinates
33.3318, -79.3572
County
Georgetown, SC
Nearby Plants
- International Paper Georgetown MillWood Waste95.6 MW · 6.4 km
- Georgetown LFGTELandfill Gas1.3 MW · 14.1 km
- SR GeorgetownSolar50 MW · 14.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | South Carolina Public Service Authority | South Carolina Public Service Authority | — |
| Owner(s) | South Carolina Public Service Authority | South Carolina Public Service Authority | — |
| Status | Operating | — | — |
Ownership Chain
About
The Winyah Generating Station is a 1275.8 MW coal-fired power plant located in Georgetown County, South Carolina. It began operating in 1975 and consists of four generators utilizing conventional steam coal technology. The plant is owned and operated by the South Carolina Public Service Authority (Santee Cooper). Winyah is the second-largest of four coal plants in South Carolina, and ranks 24th out of 50 coal plants nationally.
In the most recent year with available data, Winyah generated 4,216,009 MWh of electricity, operating at a capacity factor of 37.7%. The plant is located within the balancing authority area of the South Carolina Public Service Authority and the NERC region of SERC.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
South Carolina Public Service Authority
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
State
Sector
Electric Utility
Generation
436.7K MWh
Latest Month
4.2M MWh
Annual Generation
37.7%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Deals·debt financing
Santee Cooper approved to issue $685M in debt for natural gas power projects
A legislative panel gave SC's state-owned utility the nod to begin purchasing equipment for a planned new natural gas plant in the...
Santee Cooper (operator)SC (other)
SC Daily Gazette·3 months ago
Industry·corporate
Santee Cooper Board Approves Key Projects To Meet Future Electric Demands
Posted October 24, 2025 | Media Contact. MONCKS CORNER, S.C. – The Santee Cooper Board of Directors advanced key energy projects today that will help meet...
Santee Cooper (operator)
Santee Cooper·5 months ago
Industry·project finance
Award of Merit, Water/Environment: Santee Cooper Cross and Winyah ELG Projects
The projects at the Cross and Winyah stations in South Carolina were designed to treat flue gas desulfurization effluent and meet the U.S....
Santee Cooper (operator)
ENR·5 months ago
Industry·corporate
He was killed at Santee Cooper's Georgetown County power plant. Now his fiancé is suing the utility.
Jessica Bishop, the fiancé of Cody Jordan, is suing Santee Cooper over the 23-year-old's death last year at the Winyah Generating Station...
Santee Cooper (operator)Jessica Bishop (other)
Post and Courier·9 months ago
Last updated 2026-03-14
View all 10 articles