HydroOperatingISO-NE

Harris Hydro

Hydro power plant in Somerset County, Maine. 76.4 MW of nameplate capacity across 4 generators, operated by Brookfield White Pine Hydro LLC.

Also known as EIA plant 1492

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Brassua Hydroelectric ProjectMoscowBingham WindWyman HydroMEVS Clark LLCKibby Wind FacilityHarris Hydro25 km
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6 plants within 52 km, from EIA coordinates.

Key facts

Capacity
76.4 MWNameplate
Generators
4 operatingEIA-860M, August 2026
Operating since
January 1954First generator online
Operator
Brookfield White Pine Hydro LLCEIA operator ID 39006
Grid
ISO-NEBalancing authority ISNE
Price nodes
4 ISONE nodesResource nodes with prices
Location
Somerset County, ME45.4592, −69.8658
EIA plant ID
1492EIA plant page

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

How much power Harris Hydro produces

Free · EIA-923

Net generation, 2025

151 GWh

150,944 MWh, final

Capacity factor, 2025

22.6%

2024: 25.4%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

126.3–277.6

GWh a year. Low 2021, high 2023

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000242,598Not reported12 of 12
2001154,514Not reported12 of 12
2002139,971Not reported12 of 12
2003170,476Not reported12 of 12
2004192,888Not reported12 of 12
2005284,536Not reported12 of 12
2006267,035Not reported12 of 12
2007249,650Not reported12 of 12
2008305,472Not reported12 of 12
2009258,477Not reported12 of 12
2010260,34838.9%12 of 12
2011273,26440.8%12 of 12
2012209,46731.2%12 of 12
2013211,02431.5%12 of 12
2014207,99231.1%12 of 12
2015195,36829.2%12 of 12
2016181,60927.1%12 of 12
2017244,27836.5%12 of 12
2018190,05028.4%12 of 12
2019244,97536.6%12 of 12
2020167,18024.9%12 of 12
2021126,31718.9%12 of 12
2022211,57531.6%12 of 12
2023277,55241.5%12 of 12
2024170,37425.4%12 of 12
2025150,94422.6%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
HA1Conventional Hydroelectric15.0January 1954
HA2Conventional Hydroelectric30.0January 1954
HA3Conventional Hydroelectric30.0January 1955
HA4Conventional Hydroelectric1.4January 1955

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 Brookfield White Pine Hydro LLC as the operator, which is not always the owner.

Modeled data

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Pro adds modeled values for this plant. Everything above stays free.

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Power plants near Harris Hydro

More plants operated by Brookfield White Pine Hydro LLC

Questions about Harris Hydro

How much power does Harris Hydro produce?

Harris Hydro reported 150,944 MWh (151 GWh) of net generation in 2025, a 22.6% capacity factor on 76.4 MW of nameplate capacity.

Where is Harris Hydro?

Harris Hydro is in Somerset County, Maine, at 45.4592, −69.8658. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Harris Hydro?

EIA-860M for August 2026 lists Brookfield White Pine Hydro LLC as the operator (EIA operator ID 39006). The operator is not always the owner.

When did Harris Hydro start operating?

Its first generator began operating in January 1954, according to EIA-860M.

Does InfraMap have power prices for Harris Hydro?

Yes. InfraMap has ISONE day-ahead and real-time prices at 4 price nodes linked to Harris Hydro, 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