South Carolina Public Service Authority
Balancing Authority Summary Information
South Carolina Public Service Authority is ranked #31 out of 64 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | South Carolina Public Service Authority |
|---|---|
| States | South Carolina |
| Last Update | Jul 2026 |
| Annual Generation | 18.5 TWh |
| Power Plants | 35 |
| Utilities | 21 |
| Ranked #31 out of 64 in terms of net annual generation | |
| Ranked #14 out of 32 in terms of annual generation from coal | |
| Power Plant Types | Coal | 64.2% Natural Gas | 26.5% Solar | 5.1% Other Fuel | 2.7% Water | 1.5% |
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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 |
|---|---|---|---|---|---|---|
| Marlboro Mill | Domtar Paper Company Bennettsville | Bennettsville, SC | 213 GWh | Aug 2010 | Dec 2025 | Black Liquor : 80.1% Wood/Wood Waste Solids : 19.9% |
| Lee County Landfill | South Carolina Public Service Authority | Bishopville, SC | 12 GWh | Dec 2004 | Dec 2025 | Landfill Gas |
| Centerfield Cooper Solar, LLC | SunStrong Management | Chesterfield, SC | 145 GWh | Nov 2020 | May 2026 | Solar |
| Landrace Holdings, LLC | Landrace Holdings, LLC | Conway, SC | 116 GWh | Oct 2023 | May 2026 | Solar |
| Bell Bay Solar Farm | Bell Bay Solar Farm | Conway, SC | 2 GWh | Feb 2018 | Dec 2025 | Solar |
| Horry Land Fill Gas Site | South Carolina Public Service Authority | Conway, SC | 4 GWh | Jul 2001 | Dec 2025 | Landfill Gas |
| Cross | South Carolina Public Service Authority | Cross, SC | 8 TWh | Apr 1984 | May 2026 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Allendale Biomass | Allendale Biomass LLC | Fairfax, SC | 151 GWh | Oct 2013 | Dec 2025 | Wood/Wood Waste Solids |
| Rankin Solar Center, LLC | SunStrong Management | Florence, SC | 18 GWh | Nov 2019 | Dec 2025 | Solar |
| Cherokee County Cogen | Cherokee County Cogen Partners LLC | Gaffney, SC | 644 GWh | Feb 1998 | Dec 2025 | Natural Gas |
| Winyah | South Carolina Public Service Authority | Georgetown, SC | 5 TWh | Feb 1975 | May 2026 | Bituminous Coal : 99.6% |
| 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% |
| Allora Solar, LLC | Allora Solar, LLC | Gilbert, SC | 155 GWh | Dec 2022 | May 2026 | Solar |
| Dorchester Biomass | Dorchester Biomass LLC | Harleyville, SC | 150 GWh | Oct 2013 | Dec 2025 | Wood/Wood Waste Solids |
| Hilton Head | South Carolina Public Service Authority | Hilton Head Island, SC | 79 MWh | Jul 1973 | Dec 2025 | Distillate Fuel Oil |
| Richland County Landfill | South Carolina Public Service Authority | Lugoff, SC | 5 GWh | Dec 2005 | Dec 2025 | Landfill Gas |
| Berkeley County Landfill | South Carolina Public Service Authority | Moncks Corner, SC | 237 MWh | Jan 2011 | Dec 2024 | Landfill Gas |
| Jefferies | South Carolina Public Service Authority | Moncks Corner, SC | 234 GWh | Nov 1942 | Dec 2025 | Water |
| Runway Solar Farm | Runway Solar Farm | Myrtle Beach, SC | 4 GWh | Nov 2019 | Dec 2025 | Solar |
| Jamison Solar Farm | Jamison Solar Farm | Orangeburg, SC | 2 GWh | Mar 2019 | Dec 2025 | Solar |
| Spillway | South Carolina Public Service Authority | Pineville, SC | 5 GWh | Jul 1950 | Dec 2025 | Water |
| Omtanke Solar | DG South Carolina Solar, LLC | Ridgeville, SC | 10 GWh | Feb 2020 | Dec 2025 | Solar |
| St Stephen | US Army Corps of Engineers | St. Stephen, SC | 161 GWh | Feb 1985 | Dec 2025 | Water |
| John S Rainey | South Carolina Public Service Authority | Starr, SC | 5 TWh | Aug 2001 | May 2026 | Natural Gas |
| Gunsight Solar, LLC | Gunsight Solar, LLC | Swansea, SC | 170 GWh | Nov 2022 | May 2026 | Solar |
| Colleton Solar Farm | TIG Sun Energy I LLC | Walterboro, SC | 3 GWh | Nov 2013 | Dec 2025 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 442.5 GWh | 4 |
| #55 | City of Tallahassee | 3.2 TWh | 5 |
| #24 | Dominion Energy South Carolina, Inc. | 25.3 TWh | 83 |
| #13 | Duke Energy Carolinas | 112.6 TWh | 577 |
| #17 | Duke Energy Progress East | 64.5 TWh | 565 |
| #50 | Duke Energy Progress West | 4.5 TWh | 15 |
| #58 | Gainesville Regional Utilities | 1.6 TWh | 8 |
| #41 | JEA | 9.6 TWh | 24 |
| #59 | Southeastern Power Administration | 1.3 TWh | 11 |
| #6 | Southern Company Services, Inc. - Trans | 253.5 TWh | 422 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #26 | Associated Electric Cooperative, Inc. | 23.4 TWh | 47 |
| #27 | Western Area Power Administration - Rocky Mountain Region | 22.5 TWh | 193 |
| #28 | Tampa Electric Company | 21.5 TWh | 64 |
| #29 | Los Angeles Department of Water and Power | 18.8 TWh | 131 |
| #30 | Florida Municipal Power Pool | 18.7 TWh | 22 |
| #31 | South Carolina Public Service Authority | 18.5 TWh | 35 |
| #32 | NorthWestern Corporation | 17.6 TWh | 70 |
| #33 | Gridforce Energy Management, LLC | 16.5 TWh | 1 |
| #34 | Public Service Company of New Mexico | 16.1 TWh | 137 |
| #35 | Seminole Electric Cooperative | 14.1 TWh | 5 |