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321.2 MW Wind operating in Lewis, NY
321.2 MW
Nameplate Capacity
4
Generators
units
Onshore Wind Turbine
Technology
2005
Operating Since
Coordinates
43.7853, -75.5753
County
Lewis, NY
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Flat Rock Windpower, LLC | EDPR Renewable Energy Sources of Greece 1 Sole Proprietorship | — |
| Owner(s) | Avangrid Power LLC, EDP Renewables North America LLC, Madison Windpower LLC | Avangrid | — |
| Status | Operating | operating | — |
Maple Ridge Wind Farm is the largest wind farm in the state of New York in the United States. Located on Tug Hill in Lewis County, the facility has 195 wind turbines. At full operation, the turbines can produce a maximum of 321.75 megawatts (MW) of electricity.
Read more on WikipediaMaple Ridge Wind Farm is a 321.2 MW wind power plant located in Lewis County, New York. The facility began operating in 2005 and is owned by Avangrid. The operator listed with the EIA is Flat Rock Windpower, LLC. The plant utilizes four onshore wind turbines. Maple Ridge Wind Farm is the fourth-largest wind farm in New York State out of 22, and ranks 65th nationally out of 734 wind farms.
The wind farm's turbines are manufactured by Vestas, model V82-1.65, with a rotor diameter of 82 meters and a hub height of 80 meters. The plant's primary fuel is wind (WND). In the most recent year of reported data, Maple Ridge Wind Farm generated 698,101 MWh of electricity, achieving a capacity factor of 24.8%. The plant operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
New York Independent System Operator (NYIS)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
87.0K MWh
Latest Month
698.1K MWh
Annual Generation
24.8%
Capacity Factor
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2013
$1,895/kW
Est. Construction Cost
Total estimated cost: $608.7M
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Market Position
ISO/RTO Market
NYISO
LMP Node
—
Pricing Hub
NORTH
Node Source
Plant coordinates only
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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