Wisconsin
Natural gas accounted for 36% of generation in Wisconsin over the 12 months to July 2026.
Natural gas36%Coal33%Nuclear15%Solar7%Hydro4%Wind3%Other (<2.5% each)1%
| Fuel | GWh | Share | YoY |
|---|---|---|---|
| Natural gas | 23,411 | 35.8% | ↓ 0.6 |
| Coal | 21,811 | 33.4% | ↓ 1.8 |
| Nuclear | 10,039 | 15.4% | ↑ 0.6 |
| Solar | 4,780 | 7.3% | ↑ 1.1 |
| Hydro | 2,546 | 3.9% | ↑ 0.9 |
| Wind | 1,875 | 2.9% | ↓ 0.2 |
| Other | 841 | 1.3% | – |
13-month trend
Natural gas
Coal
Nuclear
Wind
Solar
Hydro
Other
Hub power prices against a national gas-cost benchmark; not a state margin.
What’s standing
The 8 largest of 677 operating generators; 19.7 GW total capacity.
- Elm Road Generating StationCoal · Wisconsin Electric Power Co701 MW2010
- Elm Road Generating StationCoal · Wisconsin Electric Power Co701 MW2011
- Point Beach Nuclear PlantNuclear · NextEra Energy Point Beach LLC643 MW1970
- Point Beach Nuclear PlantNuclear · NextEra Energy Point Beach LLC643 MW1972
- WestonCoal · Wisconsin Public Service Corp595 MW2008
- Columbia (WI)Coal · Wisconsin Power & Light Co556 MW1978
- Columbia (WI)Coal · Wisconsin Power & Light Co556 MW1975
- EdgewaterCoal · Wisconsin Power & Light Co414 MW1985
On the drawing board
Wisconsin has 19.7 GW standing. Another 390 MW is on the board by 2026: 387 MW testing, 3 MW under construction.
Built since July 2026
- McFarland Schools Customer HostedStanding1 MW2026
- Sunnyside Solar Energy CenterTesting20 MW2026
- Vienna Walbec Customer HostedTesting1 MW2026
- BjornTesting5 MW2026
- GilmanTesting4 MW2026
- Koshkonong Solar Energy Center LLCTesting300 MW2026
- FalunUnder construction3 MW2026
- Castle Rock Lake SolarTesting5 MW2026
- Clark Solar-LongwoodTesting3 MW2026
- MondoviTesting3 MW2026
- SpoonerTesting2 MW2026
- City of Milwaukee- Airport ExpansionTesting5 MW2026
Battery storage
- Sunnyside Solar Energy CenterTesting40 MW2026
Wisconsin's announced projects could add 8.1 TWh a year by 2031. Our projection includes 5.5 TWh after applying completion factors based on project status.
Wisconsin in the news
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