Natural gas power plants in Wisconsin
42 operating natural gas power plants in Wisconsin with 8,171 MW of natural gas capacity, largest first. From EIA-860M, August 2026.
Plants
42
Natural gas capacity
8,171 MW
Net generation, 2025
23.6 TWh
Largest natural gas power plants in Wisconsin
| # | Plant | Natural gas MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Port Washington Generating StationOzaukee County | 1,230 | 7,261 | 67.4% |
| 2 | West Riverside Energy CenterRock County | 723 | 4,367 | 68.5% |
| 3 | Riverside Energy CenterRock County | 675 | 3,308 | 56.0% |
| 4 | Fox Energy CenterOutagamie County | 619 | 3,572 | 65.9% |
| 5 | RockGen Energy CenterDane County | 561 | 496 | 10.1% |
| 6 | ConcordJefferson County | 382 | 203 | 6.1% |
| 7 | South Fond Du LacFond Du Lac County | 382 | 20.3 | 0.6% |
| 8 | Paris (WI)Kenosha County | 382 | 215 | 6.4% |
| 9 | Alliant Energy NeenahWinnebago County | 371 | 483 | – |
| 10 | Sheboygan FallsSheboygan County | 347 | 452 | – |
| 11 | WheatonChippewa County | 298 | 8.4* | – |
| 12 | Whitewater Generating StationJefferson County | 284 | 748 | 30.1% |
| 13 | Valley (WI)Milwaukee County | 272 | 370 | 15.4% |
| 14 | De Pere Energy CenterBrown County | 192 | 180 | 10.7% |
| 15 | West MarinetteMarinette County | 187 | 90.3 | 5.5% |
| 16 | West Campus Cogeneration FacilityDane County | 169 | 305 | 20.6% |
| 17 | Weston RICEMarathon County | 132 | 144 | 12.5% |
| 18 | GermantownWashington County · Oil and natural gas | 106 | 33.3 | – |
| 19 | Blount StreetDane County | 100 | 58.6 | 6.7% |
| 20 | PulliamBrown County | 91 | 110 | 13.8% |
| 21 | West Marinette 34Marinette County | 83 | 84.9 | 11.7% |
| 22 | Elk MoundChippewa County | 71 | 0.5 | 0.1% |
| 23 | Combined Locks Energy CenterOutagamie County | 67 | 302 | 51.8% |
| 24 | Island Street Peaking PlantOutagamie County | 61 | 20.2 | 3.8% |
| 25 | Marshfield Utilities Gas PlantWood County | 60 | 18.8 | 3.6% |
| 26 | FitchburgDane County | 58 | −0.1 | – |
| 27 | Consumer Operations LLCBrown County | 48 | 225 | 53.9% |
| 28 | Sycamore (WI)Dane County | 42 | 0.0 | 0.0% |
| 29 | Kaukauna Paper MillOutagamie County | 33 | 101 | – |
| 30 | Custer Energy CenterManitowoc County | 25 | 4.1 | 1.9% |
| 31 | MMSD Jones Island WastewaterMilwaukee County · Natural gas and landfill gas | 22 | 79.8 | 29.1% |
| 32 | Georgia-Pacific Corp - Nekoosa MillWood County · Natural gas and wood biomass | 22 | 179 | 52.3% |
| 33 | Kaukauna Gas TurbineOutagamie County | 18 | 2.3 | 1.5% |
| 34 | Nine SpringsDane County | 16 | 0.1 | 0.1% |
| 35 | Cumberland (WI)Barron County · Natural gas and oil | 12 | 0.3 | 0.1% |
| 36 | UW Madison Charter Street PlantDane County | 9.7 | 0.0 | – |
| 37 | Stevens Point MillPortage County | 7.6 | 14.5 | 21.8% |
| 38 | Biron MillWood County | 7.5 | 114 | 21.1% |
| 39 | WaxdaleRacine County · Landfill gas and natural gas | 3.5 | 37.3 | 35.2% |
| 40 | Beloit Memorial Hospital Power PlantRock County | 3.0 | 0.1 | 0.6% |
| 41 | Waupun Correctional Central Heating PltDodge County | 2.0 | 0.0 | – |
| 42 | CashtonMonroe County · Oil and natural gas | 1.1 | 0.0 | 0.0% |
* Fewer than 12 months of 2025 reported, so the total is partial.
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
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