Rolling Hills Wind Farm
75121 Pella Road, Massena, IA 50853Plant Summary Information
Rolling Hills Wind Farm is ranked #13 out of 1,374 wind farms nationwide in terms of total annual net electricity generation.
Rolling Hills Wind Farm generated 468.8 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Rolling Hills Wind Farm |
|---|---|
| Utility Name | MidAmerican Energy Co |
| Location | Cass County, IA |
| Initial Operation Date | December 2011 |
| Last Update | Dec 2025 |
| Annual Generation | 1.6 TWh |
| Annual Consumption | 5.9 M MMBtu |
| Ranked #589 out of 12,613 Power Plants Nationwide | |
| Ranked #13 out of 1,374 Wind Power Plants Nationwide | |
| Ranked #10 out of 281 Iowa Power Plants | |
| Ranked #2 out of 125 Iowa Wind Power Plants | |
| Fuel Types | Wind |
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Monthly Net Generation for Rolling Hills Wind Farm
Monthly Plant Fuel Consumption for Rolling Hills Wind Farm
Rolling Hills Wind Farm Details
| Summary Information | |
|---|---|
| Plant Name | Rolling Hills Wind Farm (57501) |
| Plant Address | 75121 Pella Road, Massena, IA 50853 |
| Utility | MidAmerican Energy Co (12341) |
| Latitude, Longitude | 41.1973, -94.7744 |
| Generation Dates on File | Jan 2012 to Dec 2025 |
| Initial Operation Date | December 2011 |
| Annual Generation | 1.6 TWh |
| 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 | 345.00 kV |
| Energy Storage | No |
Generator RHWF Details Operating December 2011
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | MEC.ROLLHILL_1, MEC.ROLLHILL_2, MEC.ROLLHILL_3 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | MEC.ROLLHILL 1,MEC.ROLLHILL_2,MEC.ROLLHILL_3 |
| Nameplate Capacity | 484.2 MW |
| Summer Capacity | 443.2 MW |
| Winter Capacity | 443.2 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 2011 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Wind |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Turbines/Hydrokinetic Buoys | 193 |
| Multiple Fuels | No |
| Turbine Details | |
| Number Of Turbines | 193 |
|---|---|
| Predominant Turbine Manufacturer | Siemens |
| Predominant Turbine Model Number | SWT-2.3-101 |
| Design Wind Speed | 16.8 MPH |
| Wind Quality Class | 3 - Low Wind |
| Turbine Hub Height Feet | 262.4 |
Rolling Hills 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 |
|---|---|---|---|
| #3 | High Banks Wind | Belleville, KS | 2.5 TWh |
| #4 | Horse Hollow Wind Energy Center | Wingate, TX | 2.4 TWh |
| #5 | Rush Creek Wind | Matheson, CO | 2.1 TWh |
| #6 | Sagamore Wind | Rogers, NM | 2.1 TWh |
| #7 | Capricorn Ridge Wind LLC | Sterling City, TX | 2.0 TWh |
| #8 | Hale Community Wind Farm | Plainview, TX | 1.9 TWh |
| #9 | Orient Wind Farm | Orient, IA | 1.8 TWh |
| #10 | White Mesa Wind | Ozona, TX | 1.8 TWh |
| #11 | Aviator Wind | Robert Lee, TX | 1.7 TWh |
| #12 | Cheyenne Ridge Wind Farm | Cheyenne Wells, CO | 1.6 TWh |
| #14 | Young Wind | Graham, TX | 1.6 TWh |
| #15 | Maverick Creek Wind | Eden, TX | 1.6 TWh |
| #16 | Highland Wind Project (IA) | Primghar, IA | 1.6 TWh |
| #17 | Fowler Ridge Wind Farm LLC | Fowler, IN | 1.5 TWh |
| #18 | Palo Alto Wind Farm | Emmetsburg, IA | 1.5 TWh |
| #19 | Grande Prairie Wind Farm | O'Neill, NE | 1.4 TWh |
| #20 | TB Flats | Medicine Bow, WY | 1.4 TWh |
| #21 | Clearwater Wind I | Miles City, MT | 1.3 TWh |
| #22 | North English | Montezuma, IA | 1.3 TWh |
| #23 | High Lonesome Wind Power, LLC Hybrid | Rankin, TX | 1.3 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Rolling Hills Wind Farm.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Adair Wind Farm | Adair, IA | 554.8 GWh | 16.6 mi |
| Adams Wind | Lenox, IA | 474.5 GWh | 19.9 mi |
| Anita | Anita, IA | 13.0 MWh | 17.1 mi |
| Atlantic | Atlantic, IA | 110.0 MWh | 18.7 mi |
| Bulldog | Orient, IA | 4.1 GWh | 17.5 mi |
| Corning | Corning, IA | 51.0 MWh | 14.7 mi |
| Cumberland Rose | Orient, IA | 5.2 GWh | 17.8 mi |
| Downtown Generation Plant | Greenfield, IA | 58.0 MWh | 17.9 mi |
| Fontanelle | Fontanelle, IA | 5.7 GWh | 14.4 mi |
| Green Energy Machine | Anita, IA | 6.7 GWh | 12.2 mi |
| Greenfield Wind | Greenfield, IA | 5.3 GWh | 16.3 mi |
| Morning Light Wind Farm | Adair, IA | 413.3 GWh | 20.5 mi |
| North Generation Plant | Greenfield, IA | 105.0 MWh | 18.5 mi |
| Orient Wind Farm | Orient, IA | 1.8 TWh | 18.6 mi |
| POET Biorefining LLC - Corning | Corning, IA | 14.0 GWh | 16 mi |
| Prescott Wind Farm | Prescott, IA | 141.8 GWh | 10.3 mi |
| Roseman | Anita, IA | 7.2 GWh | 12 mi |
| Sky Volt | Greenfield, IA | 5.1 GWh | 16.3 mi |
| Southern Hills Wind Farm | Creston, IA | 814.4 GWh | 17.1 mi |
| Wiota | Wiota, IA | 4.4 GWh | 14.5 mi |