Compare power plants

Registry, engineering, and operating metrics shown on a consistent EIA basis.

MetricMarble River Wind Farm
Clinton County
Maple Ridge Wind Farm
Lewis County
Capacity215.3 MW321.2 MW
TechnologyOnshore Wind TurbineOnshore Wind Turbine
OperatorMarble River, LLCFlat Rock Windpower, LLC
Operating units14
Latest 12-month generation457.8 GWh588.0 GWh
Latest complete-year capacity factor26.3% (2025)24.8% (2025)
National technology rank#201 of 1,362#47 of 1,362
Latest EIA report2026-042026-04

Generation comes from EIA-923. Capacity, unit counts, technology, and reporting relationships come from EIA-860. Incomplete reporting years are excluded from capacity-factor comparisons.