Natural Gas Power Plants in South Dakota
Every operating natural gas power plant in South Dakota on EIA-860M for 2026-07: 11 plants, 32 generating units and 2 GW of nameplate capacity across 9 counties, most of it inside SPP.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Plants
- 11
- 32 generating units
- Nameplate capacity
- 2 GW
- Counties
- 9
- Grid operator
- SPP
- covers most of these plants
Map of natural gas power plants in South Dakota
Every one of the 11 plants is drawn at the coordinate EIA files for it.
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- Natural gas · 11
List of natural gas power plants in South Dakota
Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.
| Angus AnsonNatural Gas Fired Combustion Turbine | Northern States Power Co - Minnesota | Minnehaha | 405.7 | 3 | 1994 | Operating |
| Astoria StationNatural Gas Fired Combustion Turbine | Otter Tail Power Co | Deuel | 349 | 1 | 2021 | Operating |
| Deer Creek StationNatural Gas Fired Combined Cycle | Basin Electric Power Coop | Brookings | 324 | 2 | 2012 | Operating |
| Groton Generation StationNatural Gas Fired Combustion Turbine | Basin Electric Power Coop | Brown | 216.4 | 2 | 2006 | Operating |
| Aberdeen CT2 technologies | NorthWestern Energy - (SD) | Brown | 111 | 2 | 1978 | Operating |
| Ben French2 technologies | Black Hills Power, Inc. | Pennington | 110 | 9 | 1965 | Operating |
| Bob Glanzer Generating StationNatural Gas Internal Combustion Engine | NorthWestern Energy - (SD) | Beadle | 69 | 6 | 2022 | Operating |
| Lange Generating StationNatural Gas Fired Combustion Turbine | Black Hills Power, Inc. | Pennington | 40 | 1 | 2002 | Operating |
| Yankton2 technologies | NorthWestern Energy - (SD) | Yankton | 13.4 | 4 | 1963 | Standby/Backup |
| POET Bioprocessing- MitchellNatural Gas Steam Turbine | POET Bioprocessing- Mitchell | Davison | 3.9 | 1 | 2021 | Operating |
| POET Biorefining - HudsonNatural Gas Steam Turbine | POET Biorefining - Hudson | Lincoln | 3.6 | 1 | 2019 | Operating |
Largest natural gas power plants in South Dakota
- 1Angus AnsonMinnehaha County, South Dakota405.7 MW
- 2Astoria StationDeuel County, South Dakota349 MW
- 3Deer Creek StationBrookings County, South Dakota324 MW
- 4Groton Generation StationBrown County, South Dakota216.4 MW
- 5Aberdeen CTBrown County, South Dakota111 MW
- 6Ben FrenchPennington County, South Dakota110 MW
- 7Bob Glanzer Generating StationBeadle County, South Dakota69 MW
- 8Lange Generating StationPennington County, South Dakota40 MW
- 9YanktonYankton County, South Dakota13.4 MW
- 10POET Bioprocessing- MitchellDavison County, South Dakota3.9 MW
Natural gas power plants by county in South Dakota
The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.
| County | Plants | Nameplate MW |
|---|---|---|
| Minnehaha | 1 | 405.7 |
| Deuel | 1 | 349 |
| Brown | 2 | 327.4 |
| Brookings | 1 | 324 |
| Pennington | 2 | 150 |
| Beadle | 1 | 69 |
| Yankton | 1 | 13.4 |
| Davison | 1 | 3.9 |
| Lincoln | 1 | 3.6 |
Natural Gas Power Plants in South Dakota: FAQ
- How many natural gas power plants are in South Dakota?
- 11, with 2 GW of nameplate capacity between them, spread over 9 counties. That is the EIA-860M operating count for 2026-07.
- Is there a map of South Dakota natural gas power plants?
- Yes — the map above. Each dot is one natural gas power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
- Which is the largest natural gas power plant in South Dakota?
- Angus Anson, at 406 MW. The table is sorted largest first, so the rest follow it.
- Is there a natural gas power plant near me in South Dakota?
- The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
- Which grid operator runs South Dakota's natural gas power plants?
- Most of them sit inside SPP, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.
- How current is this, and what is left out?
- EIA-860M for 2026-07. Combined cycle, combustion turbine, steam turbine, internal combustion and other gas-fired units. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.