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Preliminary 2025 facility recordOperating

Massena, IA · EIA plant 57501

Rolling Hills Wind Farm

Rolling Hills Wind Farm is a wind power facility in Massena, IA, with 484 MW of operating capacity.

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Operating capacity484 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityMidAmerican Energy CoEIA-reported operator
Balancing authorityMISOMidcontinent Independent Transmission System Operator, Inc..

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Wind484 MW
ProposedNo proposed capacity reported
Reported technologiesOnshore Wind Turbine

Nearby in IA

Related facilities

IA · 10.3 miPrescott Wind Farm39 MW →IA · 12.0 miRoseman2 MW →IA · 12.2 miGreen Energy Machine2 MW →IA · 14.4 miFontanelle2 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source