Marble River Wind Farm — Plant Summary
- EIA Plant ID
- 56857
- Capacity
- 215.3 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Clinton, NY
- Operating Since
- 2012
- Generators
- 1
- Operator
- Marble River, LLC
- Parent Company
- —
- Annual Generation
- 495,408 MWh
- Capacity Factor
- 26.3%
- Balancing Authority
- New York Independent System Operator
- ISO/RTO
- NYISO
- NERC Region
- NPCC
Marble River Wind Farm
OperatingWind
Ranked #6 of 45 Wind plants in NY#230 of 1442 nationally
215.3 MW Wind operating in Clinton, NY — New York Independent System Operator
EIAGEMWD
215.3 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2012
Operating Since
Location
Coordinates
44.9284, -73.9446
County
Clinton, NY
Nearby Plants
- ClintonWind100.5 MW · 3.8 km
- EllenburgWind81 MW · 6.7 km
- ChateaugayWind106.5 MW · 8.1 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Marble River, LLC | EDPR Renewable Energy Sources of Greece 1 Sole Proprietorship | — |
| Owner(s) | Marble River, LLC | EDPR Renewable Energy Sources of Greece 1 Sole Proprietorship [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as EDPR Renewable Energy Sources of Greece 1 Sole Proprietorship [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Marble River Wind Farm is a 215.3 MW wind power facility located in Clinton County, New York. The plant began operating in 2012 and is owned and operated by Marble River, LLC. It utilizes a single generator consisting of multiple onshore wind turbines. The facility is interconnected to the New York Independent System Operator (NYISO) balancing authority and is within the Northeast Power Coordinating Council (NPCC) NERC region.
The wind farm's turbines have a hub height of 94 meters and a rotor diameter of 112 meters. The turbines were manufactured by Vestas, model V112-3.075. In the most recent year of data, the plant generated 495,408 MWh of electricity, achieving a capacity factor of 26.3%. Marble River Wind Farm is ranked as the 6th largest wind farm in New York State out of 22, and 226th nationally out of 734 wind facilities.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
New York Independent System Operator
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
62.5K MWh
Latest Month
495.4K MWh
Annual Generation
26.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidencePoint of Interconnection
Nearest Substation
MARBLE_RIVER_WT_PWR
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
—
Pricing Hub
NYISO Zone D
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
323696Nearby ISO Node
News & Articles (3)Beta
Industry·capacity addition
600-foot wind turbines planned for Windsor, Sanford
The project, sponsored by Calpine, is expected to generate 124 megawatts, enough juice to power 20000 homes, sponsors said.
Calpine (developer)
Press & Sun-Bulletin·8 years ago
Industry·other
Wind farms in Upstate NY: 13 places to see the massive windmills (photos)
The first windmills in New York were built on 120 acres of quiet farmland in the town Madison, visible from the Route 20 Scenic Byway.
newyorkupstate·9 years ago
Industry·corporate
Wind company pulls out of Hammond
One of the world's largest wind power company is walking away from a project to build wind towers in the St. Lawrence County town of Hammond...
NCPR: North Country Public Radio·13 years ago
Last updated 2026-03-14
View all articles