HydroOperatingISO-NE

Pembroke Hydro

Hydro power plant in Merrimack County, New Hampshire. 2.7 MW of nameplate capacity across 1 generator, operated by Eagle Creek Renewable Energy, LLC.

Also known as EIA plant 50312

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MerrimackHooksettGarvins FallsAmoskeagGregg FallsPembroke Hydro5 km
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6 plants within 16 km, from EIA coordinates.

Key facts

Capacity
2.7 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
December 1985First generator online
Operator
Eagle Creek Renewable Energy, LLCEIA operator ID 57280
Grid
ISO-NEBalancing authority ISNE
Price nodes
1 ISONE nodeResource nodes with prices
Location
Merrimack County, NH43.1304, −71.4536
EIA plant ID
50312EIA plant page

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

How much power Pembroke Hydro produces

Free · EIA-923

Net generation, 2025

6.69 GWh

6,687 MWh, final

Capacity factor, 2025

28.3%

2024: 31.2%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

6.6–15.4

GWh a year. Low 2015, 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
20015,158Not reported12 of 12
20026,037Not reported12 of 12
200310,760Not reported12 of 12
20049,886Not reported12 of 12
200512,842Not reported12 of 12
200612,481Not reported12 of 12
20078,598Not reported12 of 12
200811,515Not reported12 of 12
200912,024Not reported12 of 12
20107,52831.8%12 of 12
201112,50652.9%12 of 12
20127,54931.8%12 of 12
20139,67040.9%12 of 12
20149,19638.9%12 of 12
20156,60627.9%12 of 12
20166,75128.5%12 of 12
20179,87241.7%12 of 12
201812,20851.6%12 of 12
20199,70541.0%12 of 12
20207,79432.9%12 of 12
20219,30639.3%12 of 12
20228,45935.8%12 of 12
202315,39365.1%12 of 12
20247,40231.2%12 of 12
20256,68728.3%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 Hydroelectric2.7December 1985

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 Eagle Creek Renewable Energy, 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.

Analyst and MCP

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Power plants near Pembroke Hydro

More plants operated by Eagle Creek Renewable Energy, LLC

Questions about Pembroke Hydro

How much power does Pembroke Hydro produce?

Pembroke Hydro reported 6,687 MWh (6.69 GWh) of net generation in 2025, a 28.3% capacity factor on 2.7 MW of nameplate capacity.

Where is Pembroke Hydro?

Pembroke Hydro is in Merrimack County, New Hampshire, at 43.1304, −71.4536. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Pembroke Hydro?

EIA-860M for August 2026 lists Eagle Creek Renewable Energy, LLC as the operator (EIA operator ID 57280). The operator is not always the owner.

When did Pembroke Hydro start operating?

Its first generator began operating in December 1985, according to EIA-860M.

Does InfraMap have power prices for Pembroke Hydro?

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