GridPlants

Power plants operated by Arkansas Electric Coop Corp

Arkansas Electric Coop Corp operates 10 power plants in the 2025 EIA-860 data, with 2,177 MW of nameplate capacity, the 103rd-largest fleet among the 5,826 operators on file. All of them are in Arkansas. Natural gas is 87% of the capacity; the largest site is Magnet Cove. Its oldest working unit dates from 1963, at Thomas Fitzhugh. Units added from 2020 to 2025 total 122 MW.

  • Natural gas1,887 MW87%
  • Hydroelectric167 MW7.7%
  • Solar122 MW5.6%

Capacity by decade it came online

Natural gasHydroelectricSolar

Above the line: capacity operating in 2025. Below: capacity retired at these plants.

500 MW1 GW1.5 GW1960s1970s1980s1990s2000s2010s2020s0

Plants

PlantStateRuns onCapacityFirst unit
Magnet CoveArkansasNatural gas746 MW2005
Harry L. OswaldArkansasNatural gas600 MW2002
Thomas FitzhughArkansasNatural gas185 MW1963
Fulton (AR)ArkansasNatural gas155 MW2001
McClellan (AR)ArkansasNatural gas136 MW1972
Woodruff County SolarArkansasSolar122 MW2024
Dam 2ArkansasHydroelectric103 MW1999
Elkins Generating CenterArkansasNatural gas66 MW2010
Ellis HydroArkansasHydroelectric32.4 MW1988
WhillockArkansasHydroelectric32.4 MW1993