HydroOperatingISO-NE

Aziscohos Hydroelectric Project

Hydro power plant in Oxford County, Maine. 6.7 MW of nameplate capacity across 1 generator, operated by Brookfield White Pine Hydro LLC.

Also known as EIA plant 50999

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Errol Hydroelectric ProjectGranite Reliable PowerChester A, LLCPontook Hydro FacilityCanaanAziscohos Hydroelectr…25 km
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6 plants within 42 km, from EIA coordinates.

Key facts

Capacity
6.7 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
June 1988First generator online
Operator
Brookfield White Pine Hydro LLCEIA operator ID 39006
Grid
ISO-NEBalancing authority ISNE
Price nodes
1 ISONE nodeResource nodes with prices
Location
Oxford County, ME44.9439, −70.9975
EIA plant ID
50999EIA plant page

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

How much power Aziscohos Hydroelectric Project produces

Free · EIA-923

Net generation, 2025

29.8 GWh

29,842 MWh, final

Capacity factor, 2025

50.8%

2024: 61.6%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

16.6–38.7

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
2000Not reportedNot reported0 of 12
200127,272Not reported12 of 12
200222,804Not reported12 of 12
20033,145Not reported12 of 12
20040Not reported12 of 12
200533,169Not reported12 of 12
200634,405Not reported12 of 12
200738,211Not reported12 of 12
200841,099Not reported12 of 12
200937,152Not reported12 of 12
201037,82364.4%12 of 12
201135,07859.8%12 of 12
201229,28749.8%12 of 12
201330,62452.2%12 of 12
201432,02554.6%12 of 12
201533,23656.6%12 of 12
201628,70348.8%12 of 12
201735,46060.4%12 of 12
201834,73759.2%12 of 12
201933,63957.3%12 of 12
202030,63252.0%12 of 12
202116,57428.2%12 of 12
202226,82645.7%12 of 12
202338,66565.9%12 of 12
202436,26961.6%12 of 12
202529,84250.8%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 Hydroelectric6.7June 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 Brookfield White Pine Hydro LLC as the operator, which is not always the owner.

Modeled data

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Power plants near Aziscohos Hydroelectric Project

More plants operated by Brookfield White Pine Hydro LLC

Questions about Aziscohos Hydroelectric Project

How much power does Aziscohos Hydroelectric Project produce?

Aziscohos Hydroelectric Project reported 29,842 MWh (29.8 GWh) of net generation in 2025, a 50.8% capacity factor on 6.7 MW of nameplate capacity.

Where is Aziscohos Hydroelectric Project?

Aziscohos Hydroelectric Project is in Oxford County, Maine, at 44.9439, −70.9975. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Aziscohos Hydroelectric Project?

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 Aziscohos Hydroelectric Project start operating?

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

Does InfraMap have power prices for Aziscohos Hydroelectric Project?

Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Aziscohos Hydroelectric Project, 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