Power plants and the grid in Arkansas
Arkansas has 124 power plants with 17.1 GW of capacity, natural gas the largest share at 6.1 GW. The map shows 11 data centers in Arkansas. Its interconnection queue holds 157 active requests for 35.4 GW.
Capacity by fuel
124 power plants with 17.1 GW of capacity, planned generators left out.
- Natural gas: 6.1 GW from 18 plants (36%)
- Coal: 4.7 GW from 5 plants (28%)
- Solar: 2.8 GW from 69 plants (16%)
- Nuclear: 1.8 GW from 1 plant (11%)
- Hydro: 1.3 GW from 19 plants (8%)
- Biomass: 226 MW from 5 plants (1%)
- Wind: 135 MW from 1 plant (1%)
- Battery storage: 31 MW from 4 plants (under 1%)
- Oil: 9 MW from 2 plants (under 1%)
Largest plants
- Union Power Station: Natural gas, 2 GW
- Arkansas Nuclear One: Nuclear, 1.8 GW
- Independence Steam Electric Station: Coal, 1.7 GW
- White Bluff: Coal, 1.3 GW
- Plum Point Energy Station: Coal, 680 MW
- John W Turk Jr Power Plant: Coal, 650 MW
- Magnet Cove: Natural gas, 642 MW
- Hot Spring Generating Facility: Natural gas, 559 MW
- Harry L. Oswald: Natural gas, 548 MW
- Lake Catherine: Natural gas, 522 MW
Largest plants near Little Rock
- White Bluff: Coal, 1.3 GW, 39 km away
- Harry L. Oswald: Natural gas, 548 MW, 19 km away
- Murray: Hydro, 42 MW, 7 km away
- NLRED 5MW: Solar, 5 MW, 14 km away
- Two Pine Landfill Gas Recovery: Biomass, 5 MW, 19 km away
Planned and under construction
21 generators planned, under construction or testing, 6 GW in all, not counted above.
- Solar: 4.6 GW
- Natural gas: 1.2 GW
- Wind: 183 MW
- Hydro: 26 MW
Grid operators
- MISO (ISO or RTO): 79 plants
- SPP (ISO or RTO): 28 plants
- SPA: 16 plants
- Associated Electric Cooperative (AECI): 1 plant
Data centers
11 data center sites on the map.
- Pulaski County: 7 sites
- Operators with the most sites: Google (2), Avaio Digital Partners (1), AVAIO Digital Partners (1), Crown Castle (1), ForgeLight Ventures, LLC (1), Serverfarm (1), Tierpoint (1), TierPoint (1), Willowbend Capital (1)
Interconnection queue
157 active requests to connect 35.4 GW of new generation and storage, from Lawrence Berkeley National Laboratory's Queued Up data.
- Solar: 28.3 GW in 128 requests
- Wind: 3 GW in 12 requests
- Battery storage: 2 GW in 11 requests
- Natural gas: 1.6 GW in 3 requests
- Other: 500 MW in 2 requests
- Coal: 20 MW in 1 request
Sources
Power plants: EIA-860M (US); NRCan NACEI (Canada, Mexico); WRI GPPD (Mexico); OpenStreetMap via Geofabrik (Canada, Mexico gap fill); USGS USWTDB/USPVDB; EPA eGRID; Natural Earth admin-1; HIFLD control areas; location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; water distances from OpenStreetMap via Geofabrik; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: ODbL (derivative database; EIA content is public domain, NRCan OGL-Canada, WRI GPPD CC BY 4.0; location attributes from WorldPop, Global Solar Atlas, Global Wind Atlas, LBNL Queued Up and WRI Aqueduct CC BY 4.0, USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain, Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH, the U.S. Drought Monitor courtesy of NDMC)
Places gazetteer (cities, airports, regions): Natural Earth populated places; OurAirports; Natural Earth admin-1; Wattlas curated places. License: Public domain
Data centers: Epoch AI (CC BY); OpenStreetMap via the public Overpass API (ODbL, © OpenStreetMap contributors); Ringmast4r Global-Data-Center-Map (custom permissive license, attribution required); location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; generation within 20 km from the previous publish's plants; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: CC BY; ODbL; custom permissive; WRI Aqueduct CC BY 4.0; USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain; Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH; the U.S. Drought Monitor courtesy of NDMC
Interconnection queue requests: Lawrence Berkeley National Laboratory and GridTracker, "Queued Up". License: CC BY 4.0
States and provinces (simplified polygons): Natural Earth 10m admin-1. License: Public domain