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Wind projects in Iowa

Wind has 195 planned and operating projects tracked in Iowa, totaling 21 GW. 37 are planned and 158 are operating. Adair County leads with 14 projects and 1.1 GW. The largest is Rolling Hills Wind Farm at 484.2 MW. Statewide, Iowa tracks 840 projects across all technologies.

Data as of

The 5 largest wind projects in Iowa
ProjectCapacity
Rolling Hills Wind Farm 484.2 MW
ORIENT - NORTHBORO 345.0kV 400 MW
Bison - Colby 345kV 320 MW
Lehigh - Marshalltown (Twinkle) 345kV 310 MW
Madison-Orient 345kV 300 MW
Wind in Iowa, by county
CountyProjectsCapacity
Adair County 14 1.1 GW
O'Brien County 10 752.3 MW
Story County 9 172.5 MW
Worth County 9 745.9 MW
Buena Vista County 6 369.6 MW
Kossuth County 6 642 MW
Osceola County 6 153.6 MW
Adams County 5 193 MW
Howard County 5 540 MW
Ida County 5 502.1 MW
Marshall County 5 815.6 MW
Mitchell County 5 682.3 MW
Palo Alto County 5 761 MW
Pocahontas County 5 366.4 MW
Taylor County 5 816 MW
Winnebago County 5 705.8 MW
Boone County 4 568 MW
Bremer County 4 37.7 MW
Cass County 4 489.3 MW
Dickinson County 4 454 MW
Franklin County 4 700 MW
Hamilton County 4 425.6 MW
Poweshiek County 4 514.5 MW
Tama County 4 440.3 MW
Carroll County 3 284.8 MW
Cerro Gordo County 3 91.5 MW
Crawford County 3 424 MW
Delaware County 3 104.1 MW
Greene County 3 72.7 MW
Hancock County 3 448 MW
Hardin County 3 353 MW
Plymouth County 3 602.7 MW
Webster County 3 740.9 MW
Other counties (26) 31 4.9 GW

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Source. U.S. Energy Information Administration Form EIA-860M and ISO/RTO interconnection queues, compiled by FieldProspects.