HydroOperatingISO-NE

Salmon Falls

Hydro power plant in York County, Maine. 1.2 MW of nameplate capacity across 3 generators, operated by Green Mountain Power Corp.

Also known as Salmon Falls Hydro · EIA plant 50702

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Knights Pond Solar, LLCNewington Energy CenterSalmon Falls5 km
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6 plants within 14 km, from EIA coordinates.

Key facts

Capacity
1.2 MWNameplate
Generators
3 operatingEIA-860M, August 2026
Operating since
July 1986First generator online
Operator
Green Mountain Power CorpEIA operator ID 7601
Grid
ISO-NEBalancing authority ISNE
Price nodes
1 ISONE nodeResource nodes with prices
Location
York County, ME43.2270, −70.8109
EIA plant ID
50702EIA plant page

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

How much power Salmon Falls produces

Free · EIA-923

Net generation, 2025

2.08 GWh

2,082 MWh, final

Capacity factor, 2025

19.8%

2024: 24.3%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

0.9–4.9

GWh a year. Low 2022, 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
20012,109Not reported12 of 12
20022,395Not reported12 of 12
20033,387Not reported12 of 12
20043,118Not reported12 of 12
20054,980Not reported12 of 12
20064,644Not reported12 of 12
20072,615Not reported12 of 12
20083,453Not reported12 of 12
20093,965Not reported12 of 12
20102,60124.7%12 of 12
20114,27640.7%12 of 12
20123,07829.2%12 of 12
20133,25431.0%12 of 12
20143,46533.0%12 of 12
20152,45123.3%12 of 12
20162,76426.2%12 of 12
20172,42823.1%12 of 12
20184,20240.0%12 of 12
20193,79136.1%12 of 12
20202,91427.6%12 of 12
20211,50314.3%12 of 12
20229108.7%12 of 12
20234,86546.3%12 of 12
20242,55824.3%12 of 12
20252,08219.8%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 Hydroelectric0.4July 1986
GEN2Conventional Hydroelectric0.4July 1986
GEN3Conventional Hydroelectric0.4July 1986

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 Salmon Falls

More plants operated by Green Mountain Power Corp

Questions about Salmon Falls

How much power does Salmon Falls produce?

Salmon Falls reported 2,082 MWh (2.08 GWh) of net generation in 2025, a 19.8% capacity factor on 1.2 MW of nameplate capacity.

Where is Salmon Falls?

Salmon Falls is in York County, Maine, at 43.2270, −70.8109. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Salmon 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 Salmon Falls start operating?

Its first generator began operating in July 1986, according to EIA-860M.

Does InfraMap have power prices for Salmon Falls?

Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Salmon 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
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

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