WINYAH

How WINYAH compares

With 1,260 MW of capacity, WINYAH ranks 4th among the 83 operating power plants Bywatts maps in South Carolina and 2nd of the 10 operating Coal plants in the state. It accounts for about 19% of South Carolina's operating Coal capacity and 5.4% of all operating capacity in the state. Nationally it is the 91st-largest of the 324 operating Coal plants in the database. Commissioned in 1975, it is older than 58% of the 82 operating South Carolina plants with a recorded commissioning year. Its operator, SOUTH CAROLINA PUBLIC SERVICE AUTHORITY, runs 17 operating plants in South Carolina totaling 5,261 MW. It shares Georgetown County with 2 other operating plants, INTERNATIONAL PAPER GEORGETOWN MILL and GEORGETOWN LFGTE.

EIA-860 lists 4 generators at the site with 1,276 MW of nameplate capacity, all conventional steam coal technology. Net generation was 3,634 GWh in 2024 (a 32% capacity factor), up 56% from 2022. Its generators came online between 1975 and 1981.

Grid neighborhood

The closest transmission line found within 10 miles is a 230 kV line owned by DUKE ENERGY PROGRESS - (NC), under 0.1 miles away. Another 2 operating power plants totaling 97 MW sit within 25 miles; the largest is INTERNATIONAL PAPER GEORGETOWN MILL (96 MW, Biomass).

Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology