HydroOperatingISO-NE

Cataract Hydro

Hydro power plant in York County, Maine. 6.6 MW of nameplate capacity across 1 generator, operated by Brookfield White Pine Hydro LLC.

Also known as EIA plant 1486

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MEVS WaterhouseSkeltonBWC Beech Ridge Brook, LLCGorham Solar 1 (CSG)Regional Waste SystemsCataract Hydro10 km
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6 plants within 20 km, from EIA coordinates.

Key facts

Capacity
6.6 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
January 1937First 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
York County, ME43.4956, −70.4472
EIA plant ID
1486EIA plant page

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

How much power Cataract Hydro produces

Free · EIA-923

Net generation, 2025

23.1 GWh

23,144 MWh, final

Capacity factor, 2025

40.0%

2024: 49.1%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

0.0–30.7

GWh a year. Low 2021, high 2015

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
200130,100Not reported12 of 12
200235,697Not reported12 of 12
200336,420Not reported12 of 12
200424,505Not reported12 of 12
20051Not reported12 of 12
200619,913Not reported12 of 12
200738,126Not reported12 of 12
200847,036Not reported12 of 12
200952,917Not reported12 of 12
201039,88869.0%12 of 12
201143,05874.5%12 of 12
201240,50369.9%12 of 12
201333,14357.3%12 of 12
201437,57965.0%12 of 12
201530,68753.1%12 of 12
201623,38140.3%12 of 12
201725,52944.2%12 of 12
201819,88734.4%12 of 12
20199,70816.8%12 of 12
202016,95829.3%12 of 12
202100.0%12 of 12
202200.0%12 of 12
20231,9693.4%12 of 12
202428,45749.1%12 of 12
202523,14440.0%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 · 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
1Conventional Hydroelectric6.6January 1937

Ownership and offtake

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Pro

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 Cataract Hydro

More plants operated by Brookfield White Pine Hydro LLC

Questions about Cataract Hydro

How much power does Cataract Hydro produce?

Cataract Hydro reported 23,144 MWh (23.1 GWh) of net generation in 2025, a 40.0% capacity factor on 6.6 MW of nameplate capacity.

Where is Cataract Hydro?

Cataract Hydro is in York County, Maine, at 43.4956, −70.4472. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Cataract 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 Cataract Hydro start operating?

Its first generator began operating in January 1937, according to EIA-860M.

Does InfraMap have power prices for Cataract Hydro?

Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Cataract 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