HydroOperatingISO-NE

Huntington Falls

Hydro power plant in Addison County, Vermont. 5.7 MW of nameplate capacity across 3 generators, operated by Green Mountain Power Corp.

Also known as EIA plant 50713

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WeybridgeGMP Solar - Panton HybridBeldensLower MiddleburyHuntington Falls2 km
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5 plants within 5.3 km, from EIA coordinates.

Key facts

Capacity
5.7 MWNameplate
Generators
3 operatingEIA-860M, August 2026
Operating since
October 1988First generator online
Operator
Green Mountain Power CorpEIA operator ID 7601
Grid
ISO-NEBalancing authority ISNE
Price nodes
1 ISONE nodeResource nodes with prices
Location
Addison County, VT44.0703, −73.1961
EIA plant ID
50713EIA plant page

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

How much power Huntington Falls produces

Free · EIA-923

Net generation, 2025

12.0 GWh

12,046 MWh, final

Capacity factor, 2025

24.1%

2024: 45.7%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

7.0–33.3

GWh a year. Low 2016, high 2023

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
200114,823Not reported12 of 12
200218,298Not reported12 of 12
200321,784Not reported12 of 12
200421,784Not reported12 of 12
200524,159Not reported12 of 12
200631,004Not reported12 of 12
200721,275Not reported12 of 12
200828,020Not reported12 of 12
200926,790Not reported12 of 12
201020,19940.5%12 of 12
201115,51831.1%12 of 12
201218,36336.7%12 of 12
201321,75043.6%12 of 12
201418,44236.9%12 of 12
201515,54831.1%12 of 12
20166,98113.9%12 of 12
201712,16524.4%12 of 12
201821,71143.5%12 of 12
201920,26640.6%12 of 12
202019,39338.7%12 of 12
202121,90443.9%12 of 12
202220,63641.3%12 of 12
202333,27366.6%12 of 12
202422,90445.7%12 of 12
202512,04624.1%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 · ISONE

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
GEN1Conventional Hydroelectric0.8October 1988
GEN2Conventional Hydroelectric0.8October 1988
GEN3Conventional Hydroelectric4.1October 1988

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 Huntington Falls

More plants operated by Green Mountain Power Corp

Questions about Huntington Falls

How much power does Huntington Falls produce?

Huntington Falls reported 12,046 MWh (12.0 GWh) of net generation in 2025, a 24.1% capacity factor on 5.7 MW of nameplate capacity.

Where is Huntington Falls?

Huntington Falls is in Addison County, Vermont, at 44.0703, −73.1961. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Huntington Falls?

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 Huntington Falls start operating?

Its first generator began operating in October 1988, according to EIA-860M.

Does InfraMap have power prices for Huntington Falls?

Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Huntington Falls, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

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)
  • ISONE day-ahead and real-time prices; node and hub assignments as of 2026-10-05

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