Wethersfield — Plant Summary
- EIA Plant ID
- 56902
- Capacity
- 126 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Wyoming, NY
- Operating Since
- 2009
- Generators
- 1
- Operator
- Valcour Operating Services, LLC
- Parent Company
- AES
- Annual Generation
- 218,525 MWh
- Capacity Factor
- 19.8%
- Balancing Authority
- New York Independent System Operator
- ISO/RTO
- NYISO
- NERC Region
- NPCC
Wethersfield
OperatingWind
Ranked #10 of 45 Wind plants in NY#599 of 1442 nationally
126 MW Wind operating in Wyoming, NY — New York Independent System Operator
EIAGEMWD
126 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2009
Operating Since
Location
Coordinates
42.6279, -78.2608
County
Wyoming, NY
Nearby Plants
- Telegraph Rd #2 Community Solar FarmSolar2 MW · 10.1 km
- Bliss (NY)Wind100.5 MW · 10.8 km
- Letchworth Solar ProjectSolar1.2 MW · 12.0 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 | Valcour Operating Services, LLC | AES | — |
| Owner(s) | Valcour Wethersfield Windpark, LLC | AES | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Wethersfield wind power plant is located in Wyoming County, New York. The plant has a total capacity of 126 MW and commenced operations in 2009. It consists of a single generator utilizing onshore wind turbine technology. The primary fuel source is wind (WND). The plant is owned by AES, with Valcour Operating Services, LLC listed as the EIA operator.
The plant's turbines have a hub height of 80 meters and a rotor diameter of 77 meters. The wind turbine manufacturer is GE Wind, and the turbine model is GE1.5-77. In the most recent year of reported data, the plant generated 218,525 MWh, achieving a capacity factor of 19.8%. Wethersfield operates within the New York Independent System Operator (NYISO) balancing authority and the NPCC NERC region. It is ranked as the 10th largest wind plant out of 22 in New York state, and 594th out of 734 nationally.
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
24.2K MWh
Latest Month
218.5K MWh
Annual Generation
19.8%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
WETHRSFD_WT_PWR
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
323626
Pricing Hub
NYISO Zone C
Node Source
EIA-860 direct report
News & Articles (6)Beta
Industry·corporate
Mark Ucich Obituary
Mark Ucich from Wethersfield has passed away. He was born June 12th, 1955. Son of the late Pauline and Stephen J. Ucich. Mark.
Mark Ucich (other)
Hartford Courant·1 years ago
Regulatory·state puc
Governor Hochul Announces Nation’s Largest-Ever State Investment in Renewable Energy is Moving Forward in New York
Three Offshore Wind and 22 Land-Based Renewable Energy Projects Totaling 6.4 Gigawatts Will Power 2.6 Million New York Homes and Deliver 12...
Governor Kathy Hochul (.gov)·2 years ago
Regulatory·permitting
EGEB: New York State approves its biggest wind farm
New York State has approved the construction of a 340-megawatt wind farm; oil giant Total shifts to green energy as it invests in a huge...
New York State (regulator)Total (other)
Electrek·5 years ago
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
Last updated 2026-03-14
View all 6 articles