MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/57501
EIA plant 57501

Massena · Cass · IA

Rolling Hills Wind Farm

Operated by MidAmerican Energy Co

Annual generation1,665,718 MWhSum of represented EIA-923 rows
Fuel codesWNDCodes retained from EIA records
Grid contextMidcontinent Independent Transmission System Operator, Inc..Balancing authority or NERC region

Published location

Where is Rolling Hills Wind Farm?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

41.197300, -94.774400

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Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
1125,218 MWh
2157,349 MWh
3195,981 MWh
4206,508 MWh
5130,722 MWh
6132,184 MWh
773,345 MWh
889,169 MWh
981,327 MWh
10174,882 MWh
11147,447 MWh
12151,586 MWh

Operating generators

IDTechnologyFuelMWStatus
RHWFOnshore Wind TurbineWND484.2OP

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Identity, technology and limitations
EIA plant ID
57501
Sector
Electric Utility
Water source
Unavailable
Data edition
2024-final