South Carolina Public Service Authority
Balancing Authority Summary Information
South Carolina Public Service Authority is ranked #29 out of 65 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | South Carolina Public Service Authority |
|---|---|
| States | South Carolina |
| Last Update | Jun 2025 |
| Annual Generation | 19.4 TWh |
| Power Plants | 34 |
| Utilities | 21 |
| Ranked #29 out of 65 in terms of net annual generation | |
| Ranked #13 out of 31 in terms of annual generation from coal | |
| Power Plant Types | Coal | 67.4% Natural Gas | 24.7% Solar | 2.9% Other Fuel | 2.7% Water | 2.3% |
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Daily Net Generation for South Carolina Public Service Authority for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Colleton Solar Farm | TIG Sun Energy I LLC | Walterboro, SC | 3 GWh | Nov 2013 | Dec 2024 | Solar |
| Gunsight Solar, LLC | Gunsight Solar, LLC | Swansea, SC | 168 GWh | Nov 2022 | Mar 2025 | Solar |
| John S Rainey | South Carolina Public Service Authority | Starr, SC | 4 TWh | Aug 2001 | Mar 2025 | Natural Gas |
| St Stephen | US Army Corps of Engineers | St. Stephen, SC | 259 GWh | Feb 1985 | Dec 2024 | Water |
| Omtanke Solar | DG South Carolina Solar, LLC | Ridgeville, SC | 10 GWh | Feb 2020 | Dec 2024 | Solar |
| Spillway | South Carolina Public Service Authority | Pineville, SC | 6 GWh | Jul 1950 | Aug 2024 | Water |
| Jamison Solar Farm | Jamison Solar Farm | Orangeburg, SC | 2 GWh | Mar 2019 | Dec 2024 | Solar |
| Runway Solar Farm | Runway Solar Farm | Myrtle Beach, SC | 3 GWh | Nov 2019 | Dec 2024 | Solar |
| Jefferies | South Carolina Public Service Authority | Moncks Corner, SC | 248 GWh | Nov 1942 | Dec 2024 | Water |
| Berkeley County Landfill | South Carolina Public Service Authority | Moncks Corner, SC | 237 MWh | Jan 2011 | Dec 2024 | Landfill Gas |
| Richland County Landfill | South Carolina Public Service Authority | Lugoff, SC | 9 GWh | Dec 2005 | Dec 2024 | Landfill Gas |
| Hilton Head | South Carolina Public Service Authority | Hilton Head Island, SC | 700 MWh | Jul 1973 | Dec 2024 | Distillate Fuel Oil |
| Dorchester Biomass | Dorchester Biomass LLC | Harleyville, SC | 130 GWh | Oct 2013 | Dec 2024 | Wood/Wood Waste Solids |
| Allora Solar, LLC | Allora Solar, LLC | Gilbert, SC | 153 GWh | Dec 2022 | Mar 2025 | Solar |
| International Paper Georgetown Mill | International Paper Co-GT Mill | Georgetown, SC | 485 GWh | Dec 1965 | Dec 2024 | Black Liquor : 60.8% Wood/Wood Waste Solids : 19.3% Natural Gas : 11.2% Tire-derived Fuels : 8.0% Residual Fuel Oil : 0.6% |
| Winyah | South Carolina Public Service Authority | Georgetown, SC | 4 TWh | Feb 1975 | Mar 2025 | Bituminous Coal : 99.6% |
| Cherokee County Cogen | Cherokee County Cogen Partners LLC | Gaffney, SC | 647 GWh | Feb 1998 | Dec 2024 | Natural Gas |
| Rankin Solar Center, LLC | Rankin Solar Center, LLC | Florence, SC | 19 GWh | Nov 2019 | Dec 2024 | Solar |
| Allendale Biomass | Allendale Biomass LLC | Fairfax, SC | 138 GWh | Oct 2013 | Dec 2024 | Wood/Wood Waste Solids |
| Cross | South Carolina Public Service Authority | Cross, SC | 9 TWh | Apr 1984 | Mar 2025 | Bituminous Coal : 99.7% |
| Bell Bay Solar Farm | Bell Bay Solar Farm | Conway, SC | 2 GWh | Feb 2018 | Dec 2024 | Solar |
| Horry Land Fill Gas Site | South Carolina Public Service Authority | Conway, SC | 5 GWh | Jul 2001 | Dec 2024 | Landfill Gas |
| Landrace Holdings, LLC | Landrace Holdings, LLC | Conway, SC | 111 GWh | Oct 2023 | Mar 2025 | Solar |
| Centerfield Cooper Solar, LLC | Centerfield Cooper Solar, LLC | Chesterfield, SC | 143 GWh | Nov 2020 | Mar 2025 | Solar |
| Lee County Landfill | South Carolina Public Service Authority | Bishopville, SC | 19 GWh | Dec 2004 | Dec 2024 | Landfill Gas |
| Marlboro Mill | Domtar Paper Company Bennettsville | Bennettsville, SC | 198 GWh | Aug 2010 | Dec 2024 | Black Liquor : 81.9% Wood/Wood Waste Solids : 18.1% |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 752.1 GWh | 4 |
| #56 | City of Tallahassee | 3.1 TWh | 5 |
| #25 | Dominion Energy South Carolina, Inc. | 26.0 TWh | 87 |
| #13 | Duke Energy Carolinas | 111.8 TWh | 565 |
| #17 | Duke Energy Progress East | 65.0 TWh | 558 |
| #52 | Duke Energy Progress West | 4.1 TWh | 10 |
| #59 | Gainesville Regional Utilities | 1.9 TWh | 6 |
| #39 | JEA | 9.2 TWh | 22 |
| #60 | Southeastern Power Administration | 1.5 TWh | 11 |
| #6 | Southern Company Services, Inc. - Trans | 251.6 TWh | 417 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #24 | Louisville Gas and Electric Company and Kentucky Utilities Company | 33.6 TWh | 25 |
| #25 | Dominion Energy South Carolina, Inc. | 26.0 TWh | 87 |
| #26 | Arizona Public Service Company | 23.2 TWh | 88 |
| #27 | Associated Electric Cooperative, Inc. | 22.9 TWh | 47 |
| #28 | Tampa Electric Company | 20.7 TWh | 59 |
| #29 | South Carolina Public Service Authority | 19.4 TWh | 34 |
| #30 | NorthWestern Corporation | 19.1 TWh | 69 |
| #31 | Gridforce Energy Management, LLC | 18.8 TWh | 1 |
| #32 | Florida Municipal Power Pool | 17.8 TWh | 22 |
| #33 | Los Angeles Department of Water and Power | 17.7 TWh | 124 |