HydroOperatingISO-NE

Pittsfield Hydro

Hydro power plant in Somerset County, Maine. 1.1 MW of nameplate capacity across 3 generators, operated by KEI (Maine) Power Management (II) LLC.

Also known as EIA plant 54124

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Somerset Solar, LLC (ME)Pittsfield Solar (N. Main St)Pittsfield Solar LLCThree Corners SolarUnity SolarHartland SolarPittsfield Hydro5 km
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6 plants within 15 km, from EIA coordinates.

Key facts

Capacity
1.1 MWNameplate
Generators
3 operatingEIA-860M, August 2026
Operating since
July 1986First generator online
Operator
KEI (Maine) Power Management (II) LLCEIA operator ID 56837
Grid
ISO-NEBalancing authority ISNE
Price nodes
None linkedNo verified ISO node
Location
Somerset County, ME44.7214, −69.4120
EIA plant ID
54124EIA plant page

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

How much power Pittsfield Hydro produces

Free · EIA-923

Net generation, 2025

2.67 GWh

2,669 MWh, final

Capacity factor, 2025

27.7%

2024: 35.8%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

2.7–5.7

GWh a year. Low 2025, 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
20012,765Not reported12 of 12
20024,508Not reported12 of 12
20034,888Not reported12 of 12
20044,657Not reported12 of 12
20054,804Not reported12 of 12
20066,942Not reported12 of 12
20074,092Not reported12 of 12
20086,114Not reported12 of 12
20094,504Not reported12 of 12
20102,976Not reported12 of 12
20113,75338.9%12 of 12
20124,67448.4%12 of 12
20134,41945.9%12 of 12
20145,26154.6%12 of 12
20154,20443.6%12 of 12
20162,85829.6%12 of 12
20173,77739.2%12 of 12
20183,30634.3%12 of 12
20194,22843.9%12 of 12
20203,32034.4%12 of 12
20213,54336.8%12 of 12
20223,71438.5%12 of 12
20235,71759.3%12 of 12
20243,45635.8%12 of 12
20252,66927.7%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

No verified ISO price node is linked to this plant, or its price history could not load.

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 Hydroelectric0.3July 1986
GEN3Conventional Hydroelectric0.4July 1986

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 KEI (Maine) Power Management (II) 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 Pittsfield Hydro

More plants operated by KEI (Maine) Power Management (II) LLC

Questions about Pittsfield Hydro

How much power does Pittsfield Hydro produce?

Pittsfield Hydro reported 2,669 MWh (2.67 GWh) of net generation in 2025, a 27.7% capacity factor on 1.1 MW of nameplate capacity.

Where is Pittsfield Hydro?

Pittsfield Hydro is in Somerset County, Maine, at 44.7214, −69.4120. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Pittsfield Hydro?

EIA-860M for August 2026 lists KEI (Maine) Power Management (II) LLC as the operator (EIA operator ID 56837). The operator is not always the owner.

When did Pittsfield Hydro start operating?

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

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)

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