Vernon Dam — Plant Summary
- EIA Plant ID
- 2352
- Capacity
- 35.9 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Windham, VT
- Operating Since
- 1909
- Generators
- 10
- Operator
- Great River Hydro, LLC
- Parent Company
- —
- Annual Generation
- 159,698 MWh
- Capacity Factor
- 50.6%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Vernon Dam
OperatingHydro
Ranked #2 of 45 Hydro plants in VT#375 of 1454 nationally
35.9 MW Hydro operating in Windham, VT — ISO New England Inc.
EIAWD
35.9 MW
Nameplate Capacity
10
Generators
units
Conventional Hydroelectric
Technology
1909
Operating Since
Location
Coordinates
42.7715, -72.5142
County
Windham, VT
Nearby Plants
- Kearsarge GillSolar2 MW · 11.6 km
- Brattleboro (Windham Landfill)Solar5 MW · 13.7 km
- Greenfield Solar PVSolar2 MW · 15.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Great River Hydro, LLC | — | — |
| Owner(s) | Great River Hydro, LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Vernon Dam is a 35.9 MW hydroelectric power plant located in Windham County, Vermont. The plant began operating in 1909 and utilizes conventional hydroelectric technology. It consists of 10 generators and is owned and operated by Great River Hydro, LLC. The primary fuel source is water (WAT). Vernon Dam is the second-largest hydroelectric plant in Vermont out of 46, and ranks 380th nationally out of 1464 hydroelectric plants.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the most recent year with available data, Vernon Dam generated 159,698 MWh of electricity, achieving a capacity factor of 50.6%. Financial data indicates a power purchase agreement (PPA) price of $60 per MWh, as reported to FERC.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
12.6K MWh
Latest Month
159.7K MWh
Annual Generation
50.6%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Electric Quarterly ReportsMEDIUM
$60.0/MWh
PPA Price
Great River Hydro, LLC
Contract Seller
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Vernon Substation · 69 kV
Substation Distance
< 10 km
Operator
National Grid
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
599
Pricing Hub
.Z.VERMONT
Node Source
EIA-860 direct report
News & Articles (10)Beta
Regulatory·ferc order
Great River Hydro, LLC; Notice of Availability of Environmental Assessment
Great River Hydro (other)
Federal Register (FERC)·3 weeks ago
Industry·corporate
In Vernon, a panel explores a new approach to storing nuclear waste
The deconstruction of the former Vermont Yankee nuclear power plant in Vernon, as seen on Oct. 10, 2023. File photo by Glenn Russell/...
Vermont Yankee (other)
VTDigger·3 months ago
Regulatory·ferc order
Upper Valley towns seek voice in Wilder Dam’s future
WILDER — With the Wilder Dam's 40-year federal license expiring, Hartford residents and officials are hoping to take advantage of a “once in...
Wilder Dam (operator)
Valley News·1 years ago
Industry·corporate
Village voices concerns about hydro change impact on taxes
BELLOWS FALLS — Will the proposed change in how the Bellows Falls hydroelectric station is operated affect its value and taxes?
Bellows Falls hydroelectric station (operator)
Brattleboro Reformer·2 years ago
Last updated 2026-03-25
View all 10 articles