Rolling Hills Wind Farm

75121 Pella Road, Massena, IA 50853

Plant Summary Information

Rolling Hills Wind Farm is ranked #15 out of 1,358 wind farms nationwide in terms of total annual net electricity generation.

Rolling Hills Wind Farm generated 472.6 GWh during the 3-month period between December 2025 to March 2026.

Plant NameRolling Hills Wind Farm
Utility NameMidAmerican Energy Co
LocationCass County, IA
Initial Operation DateDecember 2011
Last Update Mar 2026
Annual Generation 1.5 TWh
Annual Consumption 5.9 M MMBtu
Ranked #592 out of 12,332 Power Plants Nationwide
Ranked #15 out of 1,358 Wind Power Plants Nationwide
Ranked #10 out of 274 Iowa Power Plants
Ranked #2 out of 123 Iowa Wind Power Plants
Fuel Types Wind

Map of Rolling Hills Wind Farm

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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 NameRolling Hills Wind Farm (57501)
Plant Address75121 Pella Road, Massena, IA 50853
UtilityMidAmerican Energy Co (12341)
Latitude, Longitude41.1973, -94.7744
Generation Dates on FileJan 2012 to Mar 2026
Initial Operation DateDecember 2011
Annual Generation 1.5 TWh
Fuel Types Wind
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionMRO
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water Source
Ash Impoundment No
Transmission / Distribution OwnerMidAmerican Energy Co (12341) IA
Grid Voltage 345.00 kV
Energy StorageNo

Generator RHWF Details Operating December 2011

TechnologyOnshore Wind Turbine
Prime MoverWind Turbine, Onshore
OwnershipSingle Owner
RTO ISO LMP Node DesignationMEC.ROLLHILL_1, MEC.ROLLHILL_2, MEC.ROLLHILL_3
RTO ISO Location Designation For Reporting Wholesale Sales DataMEC.ROLLHILL 1,MEC.ROLLHILL_2,MEC.ROLLHILL_3
Nameplate Capacity484.2 MW
Summer Capacity443.2 MW
Winter Capacity443.2 MW
Minimum Load0.1 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateDecember 2011
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWind
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Turbines/Hydrokinetic Buoys193
Multiple FuelsNo
Turbine Details
Number Of Turbines193
Predominant Turbine ManufacturerSiemens
Predominant Turbine Model NumberSWT-2.3-101
Design Wind Speed16.8 MPH
Wind Quality Class3 - Low Wind
Turbine Hub Height Feet262.4

Rolling Hills Wind Farm Plant Owners

Owner NameAddressOwnership
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.

RankPlant NamePlant LocationAnnual Generation
#5Rush Creek WindMatheson, CO2.2 TWh
#6Sagamore WindRogers, NM2.1 TWh
#7Capricorn Ridge Wind LLCSterling City, TX2.0 TWh
#8Hale Community Wind FarmPlainview, TX2.0 TWh
#9White Mesa WindOzona, TX1.8 TWh
#10Aviator WindRobert Lee, TX1.8 TWh
#11Orient Wind FarmOrient, IA1.8 TWh
#12Cheyenne Ridge Wind FarmCheyenne Wells, CO1.7 TWh
#13Maverick Creek WindEden, TX1.7 TWh
#14Young WindGraham, TX1.6 TWh
#16Fowler Ridge Wind Farm LLCFowler, IN1.5 TWh
#17Palo Alto Wind FarmEmmetsburg, IA1.4 TWh
#18High Lonesome Wind Power, LLC HybridRankin, TX1.4 TWh
#19TB FlatsMedicine Bow, WY1.4 TWh
#20Lacy Creek Wind Energy CenterSterling City, TX1.3 TWh
#21Clearwater Wind IMiles City, MT1.3 TWh
#22Cedar Springs Wind IVDouglas, WY1.3 TWh
#23North EnglishMontezuma, IA1.3 TWh
#24Inertia Wind ProjectHaskell, TX1.3 TWh
#25Grande Prairie Wind FarmO'Neill, NE1.3 TWh

Nearby Power Plants

Below are closest 20 power plants surrounding Rolling Hills Wind Farm.

Plant NamePlant LocationAnnual GenerationDistance
Adair Wind FarmAdair, IA554.8 GWh16.6 mi
Adams WindLenox, IA474.5 GWh19.9 mi
AnitaAnita, IA13.0 MWh17.1 mi
AtlanticAtlantic, IA110.0 MWh18.7 mi
BulldogOrient, IA4.1 GWh17.5 mi
CorningCorning, IA51.0 MWh14.7 mi
Cumberland RoseOrient, IA5.2 GWh17.8 mi
Downtown Generation PlantGreenfield, IA58.0 MWh17.9 mi
FontanelleFontanelle, IA5.7 GWh14.4 mi
Green Energy MachineAnita, IA6.7 GWh12.2 mi
Greenfield WindGreenfield, IA5.3 GWh16.3 mi
Morning Light Wind FarmAdair, IA413.3 GWh20.5 mi
North Generation PlantGreenfield, IA105.0 MWh18.5 mi
Orient Wind FarmOrient, IA1.8 TWh18.6 mi
POET Biorefining LLC - CorningCorning, IA14.0 GWh16 mi
Prescott Wind FarmPrescott, IA148.6 GWh10.3 mi
RosemanAnita, IA7.2 GWh12 mi
Sky VoltGreenfield, IA5.1 GWh16.3 mi
Southern Hills Wind FarmCreston, IA793.7 GWh17.1 mi
WiotaWiota, IA4.4 GWh14.5 mi