Power plants operated by Southern Power Co
Southern Power Co operates 52 power plants in the 2025 EIA-860 data, with 13.3 GW of nameplate capacity, the 12th-largest fleet among the 5,826 operators on file. They are spread over 14 states: California, Georgia, Texas and Oklahoma and others. Natural gas is 61% of the capacity; the largest site is H Allen Franklin Combined Cycle. Its oldest working unit dates from 2000, at Dahlberg. Units added from 2020 to 2025 total 1,119 MW.
- Natural gas8,087 MW61%
- Solar2,539 MW19%
- Wind2,532 MW19%
- Battery storage160 MW1.2%
Capacity by decade it came online
Natural gasWindSolarBattery storage
Above the line: capacity operating in 2025. Below: capacity retired at these plants.
Plants
| Plant | State | Runs on | Capacity | First unit |
|---|---|---|---|---|
| H Allen Franklin Combined Cycle | Alabama | Natural gas | 1,996 MW | 2002 |
| E B Harris Electric Generating Plant | Alabama | Natural gas | 1,304 MW | 2003 |
| Wansley Combined Cycle | Georgia | Natural gas | 1,239 MW | 2002 |
| Rowan | North Carolina | Natural gas | 1,192 MW | 2001 |
| Dahlberg | Georgia | Natural gas | 919 MW | 2000 |
| Cleveland Cnty Generating Facility | North Carolina | Natural gas | 736 MW | 2012 |
| Edward L. Addison Generating Plant | Georgia | Natural gas | 701 MW | 2000 |
| Deuel Harvest Wind Energy LLC | South Dakota | Wind | 300 MW | 2021 |
| Stateline Solar | California | Solar | 300 MW | 2015 |
| Kay Wind, LLC | Oklahoma | Wind | 299 MW | 2015 |
| RE Tranquillity | California | Solar | 277 MW | 2016 |
| Bethel Wind Farm LLC | Texas | Wind | 276 MW | 2017 |
| RE Garland | California | Solar | 273 MW | 2016 |
| Wake Wind Energy Center | Texas | Wind | 257 MW | 2016 |
| Reading Wind Project | Kansas | Wind | 200 MW | 2020 |
| Salt Fork Wind Project, LLC | Texas | Wind | 174 MW | 2016 |
| Solar Gen 2 Solar Facility | California | Solar | 163 MW | 2014 |
| RE Roserock | Texas | Solar | 160 MW | 2016 |
| Grant Wind, LLC | Oklahoma | Wind | 152 MW | 2016 |
| South Cheyenne Solar | Wyoming | Solar | 150 MW | 2024 |
| Cactus Flats Wind Energy Project | Texas | Wind | 148 MW | 2018 |
| Taylor County Solar | Georgia | Solar | 148 MW | 2016 |
| Campo Verde Solar | California | Solar | 147 MW | 2013 |
| Grant Plains Wind, LLC | Oklahoma | Wind | 147 MW | 2016 |
| Skookumchuck Wind Facility | Washington | Wind | 136 MW | 2020 |
| Tyler Bluff Wind Project, LLC | Texas | Wind | 126 MW | 2016 |
| East Pecos Solar | Texas | Solar | 118 MW | 2017 |
| Glass Sands Wind Facility | Oklahoma | Wind | 117 MW | 2021 |
| Butler Solar Project 103 | Georgia | Solar | 104 MW | 2016 |
| Henrietta Solar Project | California | Solar | 102 MW | 2016 |
| Lamesa Solar | Texas | Solar | 102 MW | 2017 |
| Boulder Solar Power, LLC | Nevada | Solar | 100 MW | 2016 |
| Wildhorse Mountain Wind Facility | Oklahoma | Wind | 100 MW | 2019 |
| Decatur Parkway Solar Project, LLC | Georgia | Solar | 80 MW | 2015 |
| Rutherford Farm | North Carolina | Solar | 74.8 MW | 2016 |
| North Star Solar | California | Solar | 61.6 MW | 2015 |
| Beech Ridge II Wind Energy Center | West Virginia | Wind | 56.2 MW | 2020 |
| Macho Springs | New Mexico | Solar | 55 MW | 2014 |
| Passadumkeag Windpark LLC | Maine | Wind | 42.9 MW | 2016 |
| Lost Hills/Blackwell | California | Solar | 32 MW | 2015 |
| Cimarron Solar Facility | New Mexico | Solar | 30.6 MW | 2010 |
| Pawpaw Solar Plant | Georgia | Solar | 30.5 MW | 2016 |
| Spectrum Solar PV Power Project | Nevada | Solar | 30.2 MW | 2013 |
| Butler Solar Farm 20 | Georgia | Solar | 22 MW | 2016 |
| RE Garland A | California | Solar | 20.2 MW | 2016 |
| Adobe Solar | California | Solar | 20 MW | 2014 |
| Apex Solar PV Power Project | Nevada | Solar | 20 MW | 2012 |
| Calipatria Solar Farm | California | Solar | 20 MW | 2016 |
| Decatur County Solar Project | Georgia | Solar | 20 MW | 2015 |
| Gaskell West 1 Solar Facility | California | Solar | 20 MW | 2018 |
| Morelos del Sol | California | Solar | 15 MW | 2015 |
| Granville Solar PV Power Project | North Carolina | Solar | 2.5 MW | 2012 |