HydroOperatingISO-NE

Weybridge

Hydro power plant in Addison County, Vermont. 3 MW of nameplate capacity across 1 generator, operated by Green Mountain Power Corp.

Also known as Weybridge Power Plant · EIA plant 3728

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Next Generation Solar FarmGMP Solar - Panton HybridBeldensLower MiddleburyMiddlebury CollegeWeybridge2 km
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6 plants within 7.2 km, from EIA coordinates.

Key facts

Capacity
3 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
February 1951First generator online
Operator
Green Mountain Power CorpEIA operator ID 7601
Grid
ISO-NEBalancing authority ISNE
Price nodes
None linkedNo verified ISO node
Location
Addison County, VT44.0661, −73.2158
EIA plant ID
3728EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Weybridge produces

Free · EIA-923

Net generation, 2025

9.73 GWh

9,725 MWh, final

Capacity factor, 2025

37.0%

2024: 53.4%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

9.7–17.0

GWh a year. Low 2025, high 2019

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
20000Not reported12 of 12
200110,389Not reported12 of 12
200212,737Not reported12 of 12
20036,940Not reported12 of 12
200414,268Not reported12 of 12
200515,516Not reported12 of 12
200620,233Not reported12 of 12
200713,104Not reported12 of 12
200819,148Not reported12 of 12
200918,359Not reported12 of 12
201015,18557.8%12 of 12
201119,57674.5%12 of 12
201214,03353.3%12 of 12
201316,81564.0%12 of 12
201413,08349.8%12 of 12
201510,91141.5%12 of 12
201610,75440.8%12 of 12
201713,42951.1%12 of 12
201813,11849.9%12 of 12
201917,04764.9%12 of 12
202010,04238.1%12 of 12
202114,34954.6%12 of 12
202211,06842.1%12 of 12
202316,04961.1%12 of 12
202414,07953.4%12 of 12
20259,72537.0%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account

No verified ISO price node is linked to this plant, or its price history could not load.

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
1Conventional Hydroelectric3.0February 1951

Ownership and offtake

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Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Green Mountain Power Corp as the operator, which is not always the owner.

Modeled data

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Power plants near Weybridge

More plants operated by Green Mountain Power Corp

Questions about Weybridge

How much power does Weybridge produce?

Weybridge reported 9,725 MWh (9.73 GWh) of net generation in 2025, a 37.0% capacity factor on 3 MW of nameplate capacity.

Where is Weybridge?

Weybridge is in Addison County, Vermont, at 44.0661, −73.2158. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Weybridge?

EIA-860M for August 2026 lists Green Mountain Power Corp as the operator (EIA operator ID 7601). The operator is not always the owner.

When did Weybridge start operating?

Its first generator began operating in February 1951, according to EIA-860M.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page