Power plants and the grid in South Dakota
South Dakota has 54 power plants with 7.2 GW of capacity, wind the largest share at 3.5 GW. The map shows 7 data centers in South Dakota. Its interconnection queue holds 46 active requests for 9.3 GW.
Capacity by fuel
54 power plants with 7.2 GW of capacity, planned generators left out.
- Wind: 3.5 GW from 25 plants (48%)
- Hydro: 1.6 GW from 4 plants (22%)
- Natural gas: 1.3 GW from 11 plants (18%)
- Coal: 479 MW from 1 plant (7%)
- Solar: 217 MW from 4 plants (3%)
- Oil: 173 MW from 8 plants (2%)
- Biomass: 5 MW from 1 plant (under 1%)
Largest plants
- Oahe: Hydro, 714 MW
- Big Bend Dam: Hydro, 520 MW
- Big Stone: Coal, 479 MW
- Fort Randall: Hydro, 360 MW
- Angus Anson: Natural gas, 343 MW
- Dakota Range Wind: Wind, 304 MW
- Deuel Harvest Wind Energy LLC: Wind, 300 MW
- Deer Creek Station: Natural gas, 295 MW
- Triple H Wind Project: Wind, 250 MW
- Astoria Station: Natural gas, 242 MW
Planned and under construction
5 generators planned, under construction or testing, 374 MW in all, not counted above.
- Natural gas: 270 MW
- Solar: 104 MW
Grid operators
Data centers
7 data center sites on the map.
- Minnehaha County: 5 sites
- Operators with the most sites: Tierpoint (2), Dataware Services (1), Gemini Data Center SD LLC (1), Sequitor Edge (1), TierPoint (1)
Interconnection queue
46 active requests to connect 9.3 GW of new generation and storage, from Lawrence Berkeley National Laboratory's Queued Up data.
- Wind: 3.2 GW in 17 requests
- Solar: 2.1 GW in 10 requests
- Natural gas: 1.7 GW in 7 requests
- Coal: 1.3 GW in 6 requests
- Battery storage: 700 MW in 3 requests
- Other: 382 MW in 3 requests
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)
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