Iowa
Wind accounted for 57% of generation in Iowa over the 12 months to July 2026.
Where they are
Every announced project in Iowa with a recorded location; 11 sites.
Wind57%Coal27%Natural gas11%Solar3%Other (<2.5% each)2%
| Fuel | GWh | Share | YoY |
|---|---|---|---|
| Wind | 43,358 | 57.4% | ↓ 3.1 |
| Coal | 20,396 | 27.0% | ↑ 3.3 |
| Natural gas | 8,503 | 11.2% | ↓ 1.1 |
| Solar | 1,945 | 2.6% | ↑ 0.4 |
| Hydro | 1,355 | 1.8% | ↑ 0.5 |
13-month trend
Natural gas
Coal
Wind
Solar
Hydro
Hub power prices against a national gas-cost benchmark; not a state margin.
What’s standing
The 8 largest of 723 operating generators; 24.9 GW total capacity.
- Walter Scott Jr Energy CenterCoal · MidAmerican Energy Co923 MW2007
- LouisaCoal · MidAmerican Energy Co812 MW1983
- OttumwaCoal · Interstate Power and Light Co726 MW1981
- Walter Scott Jr Energy CenterCoal · MidAmerican Energy Co726 MW1978
- George Neal SouthCoal · MidAmerican Energy Co696 MW1979
- George Neal NorthCoal · MidAmerican Energy Co584 MW1975
- Rolling Hills Wind FarmWind · MidAmerican Energy Co484 MW2011
- Orient Wind FarmWind · MidAmerican Energy Co399 MW2019
On the drawing board
Iowa has 24.9 GW standing. Another 203 MW is on the board by 2026: 150 MW testing, 53 MW under construction.
- Mills Solar ProjectUnder construction50 MW2026
- Rock Creek SolarTesting150 MW2026
- Teeple CreekUnder construction3 MW2026
Iowa's announced projects could add 2.5 TWh a year by 2031. Our projection includes 1.7 TWh after applying completion factors based on project status.
Iowa in the news
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