Walnut Wind Farm
236 Pearl St., Walnut, IA 51577Plant Summary Information
Walnut Wind Farm is ranked #46 out of 283 power plants in Iowa in terms of total annual net electricity generation.
Walnut Wind Farm generated 162.9 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Walnut Wind Farm |
|---|---|
| Utility Name | MidAmerican Energy Co |
| Location | Pottawattamie County, IA |
| Initial Operation Date | December 2008 |
| Last Update | Dec 2025 |
| Annual Generation | 558.3 GWh |
| Annual Consumption | 2.1 M MMBtu |
| Ranked #1,243 out of 13,081 Power Plants Nationwide | |
| Ranked #325 out of 1,366 Wind Power Plants Nationwide | |
| Ranked #46 out of 283 Iowa Power Plants | |
| Ranked #34 out of 123 Iowa Wind Power Plants | |
| Fuel Types | Wind |
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Monthly Net Generation for Walnut Wind Farm
Monthly Plant Fuel Consumption for Walnut Wind Farm
Walnut Wind Farm Details
| Summary Information | |
|---|---|
| Plant Name | Walnut Wind Farm (56811) |
| Plant Address | 236 Pearl St., Walnut, IA 51577 |
| Utility | MidAmerican Energy Co (12341) |
| Latitude, Longitude | 41.4517, -95.2383 |
| Generation Dates on File | Dec 2008 to Dec 2025 |
| Initial Operation Date | December 2008 |
| Annual Generation | 558.3 GWh |
| Fuel Types | Wind |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | MRO |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | MidAmerican Energy Co (12341) IA |
| Grid Voltage | 161.00 kV |
| Energy Storage | No |
Generator WWF Details Operating December 2008
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | MEC.WALNUT_W1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | MEC.WALNUT_W1 |
| Nameplate Capacity | 165.2 MW |
| Summer Capacity | 150 MW |
| Winter Capacity | 150 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 2008 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Wind |
| Carbon Capture Technology | No |
| Turbines/Hydrokinetic Buoys | 102 |
| Multiple Fuels | No |
| Turbine Details | |
| Number Of Turbines | 102 |
|---|---|
| Predominant Turbine Manufacturer | GE |
| Predominant Turbine Model Number | 1.5 SLE |
| Design Wind Speed | 16.8 MPH |
| Wind Quality Class | 3 - Low Wind |
| Turbine Hub Height Feet | 263 |
Walnut Wind Farm Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Wind.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #315 | Echo Wind Park | Elkton, MI | 565.7 GWh |
| #316 | Blue Canyon Windpower II | Carnegie, OK | 565.7 GWh |
| #317 | Sugar Creek Wind One LLC | TBD, IL | 565.7 GWh |
| #318 | Blue Cloud Wind Energy LLC | Sudan, TX | 565.3 GWh |
| #319 | Colorado Green Holdings LLC | Lamar, CO | 564.0 GWh |
| #320 | Old Trail Wind Farm | Ellsworth, IL | 563.5 GWh |
| #321 | Old Settler Wind | Floydada, TX | 562.4 GWh |
| #322 | Moraine Sands Wind Power | Mason City, IL | 562.0 GWh |
| #323 | Merricourt Wind Energy Center | Kulm, ND | 561.6 GWh |
| #324 | Oso Grande Wind Farm | Maljamar, NM | 560.7 GWh |
| #326 | Carroll Wind Farm | Carroll, IA | 556.6 GWh |
| #327 | Logan Wind Energy | Peetz, CO | 554.6 GWh |
| #328 | Limon Wind I | Limon, CO | 553.9 GWh |
| #329 | Route 66 Wind Plant | Panhandle, TX | 552.5 GWh |
| #330 | Adair Wind Farm | Adair, IA | 551.2 GWh |
| #331 | Fluvanna | Fluvanna, TX | 548.8 GWh |
| #332 | Desert Wind Farm, LLC | Hertford, NC | 546.7 GWh |
| #333 | Intrepid | Schaller, IA | 546.4 GWh |
| #334 | TX Jumbo Road Wind | Hereford, TX | 545.7 GWh |
| #335 | Willow Creek Wind (OK) | Morrison, OK | 545.3 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Walnut Wind Farm.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Adair Wind Farm | Adair, IA | 551.2 GWh | 29.8 mi |
| Anita | Anita, IA | 77.4 MWh | 24.4 mi |
| Atlantic | Atlantic, IA | 115.0 MWh | 12.7 mi |
| Carroll Area Wind Farm | Templeton, IA | 53.8 GWh | 38.4 mi |
| Eclipse Wind Farm | Adair, IA | 821.7 GWh | 29.5 mi |
| Exira | Brayton, IA | 243.5 GWh | 17 mi |
| Fontanelle | Fontanelle, IA | 4.9 GWh | 35.5 mi |
| Fort Calhoun Community Solar | Fort Calhoun, NE | 9.3 GWh | 39.7 mi |
| Green Energy Machine | Anita, IA | 6.0 GWh | 25.7 mi |
| Harlan | Harlan, IA | 1.0 MWh | 13.9 mi |
| Heartland Divide II | Audubon, IA | 781.9 GWh | 24.5 mi |
| Heartland Divide Wind Project, LLC | Melville, IA | 427.5 GWh | 28.8 mi |
| Jones Street | Omaha, NE | 9.9 GWh | 38.1 mi |
| Morning Light Wind Farm | Adair, IA | 406.8 GWh | 34.3 mi |
| North Omaha | Omaha, NE | 1.6 TWh | 37.6 mi |
| Rolling Hills Wind Farm | Massena, IA | 1.6 TWh | 29.8 mi |
| Roseman | Anita, IA | 6.8 GWh | 25.7 mi |
| Villisca Municipal Power Plant | Villisca, IA | 22.0 MWh | 38.3 mi |
| Walter Scott Jr Energy Center | Council Bluffs, IA | 6.9 TWh | 36.5 mi |
| Wiota | Wiota, IA | 5.2 GWh | 19.2 mi |