John S Rainey
John S Rainey is a natural gas plant in Anderson County, South Carolina, operated by South Carolina Public Service Authority. It is the biggest of South Carolina’s 20 natural gas plants. Within the Santee Cooper balancing area it is the third-largest of 28 plants.
Nameplate capacity, 2025
1,154 MW
977 MW net summer capacity
8 operable units
- Gas combustion turbine610 MW53%
- Gas combined cycle545 MW47%
Unit by unit, 2001 to 2025
operating in 2025bar height follows unit size
Unit CT1A Gas combined cycle, 175 MW, 2001
Unit CT1B Gas combined cycle, 175 MW, 2001
Unit ST1S Gas combined cycle, 194 MW, 2001
Unit CT2A Gas combustion turbine, 175 MW, 2002
Unit CT2B Gas combustion turbine, 175 MW, 2002
Unit CT3A Gas combustion turbine, 86.5 MW, 2004
Unit CT3B Gas combustion turbine, 86.5 MW, 2004
Unit CT4A Gas combustion turbine, 86.5 MW, 2004
Among South Carolina’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
Other rankings
- All US power plants
- 244th of 14,286
- Power plants in South Carolina
- 6th of 215
- US natural gas plants
- 110th of 1,961
- Plants run by South Carolina Public Service Authority
- 3rd of 12
- Biggest single unit, among South Carolina’s plants
- 16th of 215
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| CT1A | Gas combined cycle | 175 MW | 150 MW | 2001 | Operating |
| CT1B | Gas combined cycle | 175 MW | 150 MW | 2001 | Operating |
| ST1S | Gas combined cycle | 194 MW | 160 MW | 2001 | Operating |
| CT2A | Gas combustion turbine | 175 MW | 146 MW | 2002 | Operating |
| CT2B | Gas combustion turbine | 175 MW | 146 MW | 2002 | Operating |
| CT3A | Gas combustion turbine | 86.5 MW | 75 MW | 2004 | Operating |
| CT3B | Gas combustion turbine | 86.5 MW | 75 MW | 2004 | Operating |
| CT4A | Gas combustion turbine | 86.5 MW | 75 MW | 2004 | Operating |
Grid and site
- Balancing area
- Santee Cooper
- Reliability region
- SERC Reliability Corporation
- Highest grid connection voltage
- 230 kV
- Water source
- Lake Richard B Russell
- Nearest town on record
- Starr
- Operator type
- Utility
- Coordinates
- 34.348°N, 82.775°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Hartwell Energy Facility | Natural gas | 360 MW | 2.6 mi west |
| Hartwell Lake | Hydroelectric | 420 MW | 2.8 mi west |
| Rocky River (SC) | Hydroelectric | 3.9 MW | 11.3 mi southeast |
| Anderson (SC) | Solar | 2 MW | 11.5 mi northeast |
| Bluebird Solar SC LLC | Solar | 3 MW | 17.5 mi north |
| Franklin Milliken | Solar | 3 MW | 19.6 mi west |
| Sonny Solar LLC | Solar | 40 MW | 20.6 mi south |
| Duke Energy CHP at Clemson University | Natural gas | 13.4 MW | 23.0 mi north |