Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-860/923 · How we got these numbers · Report an error

Power plants planned and retiring in Iowa

1,061 MWIowa planned power plant capacity

Iowa plans 1,061 MW, 4% of its 23,774 MW in service (46th of 51). 302 MW is being built or tested; solar leads at 776 MW.

Iowa: planned against running

Iowa planned, by fuel

  • Solar 776 MW (73%)
  • Wind 252 MW (24%)
  • Natural gas 33 MW (3%)

Iowa operating, by fuel

  • Solar 699 MW (3%)
  • Storage 109 MW (0%)
  • Wind 13,259 MW (56%)
  • Natural gas 3,801 MW (16%)
  • Coal 4,847 MW (20%)
  • Hydro 209 MW (1%)
  • Oil 822 MW (3%)
  • Other 27 MW (0%)

When Iowa capacity arrives and leaves

MW due online and retiring in Iowa, 2026 to 2030: 4 rows
YearIowa planned MWIowa retiring MW
2026202No data
202713380
2028726No data
2030No data40

4 rows from EIA-860M.

CSV

Iowa projects dated after 2035 or without a year: 0 MW.

Where the Iowa projects are

Iowa counties with planned power plants, darker for more MWMuscatineMillsLinnCrawfordClintonAllamakee

Iowa: 6 counties shaded, darker for more planned MW.

Filter Iowa planned projects

Filter the 9 planned project lines in Iowa.

1,061 MW across 9 project lines, 4% of the 23,774 MW operating in Iowa.

  • Silver Queen Wind Farm, Crawford: 252 MW wind, online 2028
  • Hawkeye Solar II, LLC, Clinton: 250 MW solar, online 2028
  • Hawkeye Solar, LLC, Clinton: 200 MW solar, online 2028
  • Rock Creek Solar, Clinton: 150 MW solar, online 2026
  • Coggon Solar LLC, Linn: 100 MW solar, online 2027

What the Iowa numbers say

Iowa runs 23,774 MW today. The planned list would add 1,061 MW (4%) while 120 MW (1%) of operating units carry a retirement date. Through 2035, Iowa has 1,061 MW due online and 120 MW due to retire there.

Iowa planned mix: 97% solar, storage and wind, 3% natural gas. Iowa stages: 302 MW under construction or in testing, 57 MW permits received, not started, 702 MW permits pending. Iowa retired 429 MW from 2021 to 2026 and has 1,206 MW on the canceled or postponed list.

Iowa capacity by fuel and status

Iowa capacity by fuel
Iowa fuelOperating MWPlanned MWRetiring MWRetired MWCanceled in Iowa, MW
Solar699776–––
Storage109––––
Wind13,2592528071,203
Natural gas3,8013340138–
Coal4,847––256–
Hydro209––––
Oil822––291
Other27–––2
All fuels23,7741,0611204291,206

Iowa counties with the most planned capacity

Iowa counties by planned MW
Iowa countyPlanned, MWGeneratorsLargest fuel
Clinton County6003Solar
Crawford County2521Wind
Linn County1001Solar
Muscatine County572Natural gas
Mills County501Solar
Allamakee County21Solar

Largest planned projects in Iowa

Iowa largest planned projects
Iowa plantCountyFuelStageDueMW
Silver Queen Wind FarmCrawfordWindPermits pending2028252
Hawkeye Solar II, LLCClintonSolarPermits pending2028250
Hawkeye Solar, LLCClintonSolarPermits pending2028200
Rock Creek SolarClintonSolarUnder construction or in testing2026150
Coggon Solar LLCLinnSolarUnder construction or in testing2027100
Mills Solar ProjectMillsSolarUnder construction or in testing202650
Muscatine Plant #1MuscatineNatural gasPermits received, not started202733
MPW Solar 1MuscatineSolarPermits received, not started202824
Teeple CreekAllamakeeSolarUnder construction or in testing20262

Iowa against its neighbors

Iowa: planned MW equal 4% of operating. Bordering states: Illinois plans 16% of what it runs (11 points above Iowa); Minnesota plans 9% of what it runs (5 points above Iowa); Missouri plans 16% of what it runs (12 points above Iowa); Nebraska plans 17% of what it runs (12 points above Iowa); South Dakota plans 5% of what it runs (1 points above Iowa); Wisconsin plans 26% of what it runs (22 points above Iowa).

Download

CSV by fuel CSV by project

Sources

EIA-860M inventory for Iowa: 723 operating generators, 9 planned lines, edition August 2026, retrieved 5 Oct 2026. Sources for {e(sn)}.

More on Iowa

Questions

Iowa: how much new power plant capacity is planned?

1,061 MW, 4% of the 23,774 MW Iowa runs. 302 MW is being built or tested in Iowa.

Iowa: what kind of power plants are planned?

Solar leads Iowa with 776 of 1,061 planned MW.

Iowa: which power plants are retiring?

120 MW of Iowa units have a retirement date, of which 0 MW is coal and 40 MW natural gas.

Will Iowa get all the planned plants?

Not necessarily. Iowa has 1,206 MW canceled or postponed, and 429 MW (coal the largest group) retired from 2021 to 2026.

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1,061 MW Iowa planned power plant capacity