Natural gas power plants in South Dakota
10 operating natural gas power plants in South Dakota with 1,594 MW of natural gas capacity, largest first. From EIA-860M, August 2026.
Largest natural gas power plants in South Dakota
| # | Plant | Natural gas MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Angus AnsonMinnehaha County | 406 | 239 | 6.7% |
| 2 | Astoria StationDeuel County | 349 | 455 | 14.9% |
| 3 | Deer Creek StationBrookings County | 324 | 1,168 | 41.1% |
| 4 | Groton Generation StationBrown County | 216 | 221 | 11.6% |
| 5 | Ben FrenchPennington County | 100 | 20.0 | 2.1% |
| 6 | Aberdeen CTBrown County · Natural gas and oil | 82 | 56.2 | 5.8% |
| 7 | Bob Glanzer Generating StationBeadle County | 69 | 99.1 | 16.4% |
| 8 | Lange Generating StationPennington County | 40 | 144 | 41.2% |
| 9 | POET Bioprocessing- MitchellDavison County | 3.9 | 20.3 | 59.5% |
| 10 | POET Biorefining - HudsonLincoln County | 3.6 | 10.9 | 34.5% |
Projects where natural gas is the largest fuel or at least a fifth of nameplate capacity. MW is natural gas nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources