HydroOperatingISO-NE

Turners Falls

Hydro power plant in Franklin County, Massachusetts. 5.7 MW of nameplate capacity across 5 generators, operated by FirstLight Power Resources, Inc. - MA.

Also known as EIA plant 6388

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6 plants within 5.5 km, from EIA coordinates.

Key facts

Capacity: 5.7 MWNameplate
Generators: 5 operatingEIA-860M, August 2026
Operating since: January 1905First generator online
Operator: FirstLight Power Resources, Inc. - MAEIA operator ID 58185
Grid: ISO-NEBalancing authority ISNE
Price nodes: 1 ISONE nodeResource nodes with prices
Location: Franklin County, MA42.6080, −72.5615
EIA plant ID: 6388EIA plant page

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

How much power Turners Falls produces

Free · EIA-923

Net generation, 2025

11.8 GWh

11,842 MWh, final

Capacity factor, 2025

23.7%

2024: 24.7%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

9.3–24.6

GWh a year. Low 2022, high 2019

Annual net generation, GWhCapacity factor below each year

Annual net generation from EIA-923
Year	Net generation, MWh	Capacity factor	Months reported
2000	18,261	Not reported	12 of 12
2001	15,586	Not reported	12 of 12
2002	23,620	Not reported	12 of 12
2003	12,268	Not reported	12 of 12
2004	16,790	Not reported	12 of 12
2005	17,248	Not reported	12 of 12
2006	18,716	Not reported	12 of 12
2007	14,544	Not reported	12 of 12
2008	20,722	Not reported	12 of 12
2009	24,894	Not reported	12 of 12
2010	22,082	48.5%	12 of 12
2011	26,677	58.6%	12 of 12
2012	18,159	Not reported	12 of 12
2013	17,155	34.4%	12 of 12
2014	16,992	34.0%	12 of 12
2015	14,836	29.7%	12 of 12
2016	22,101	44.1%	12 of 12
2017	17,456	35.0%	12 of 12
2018	20,669	41.4%	12 of 12
2019	24,557	49.2%	12 of 12
2020	23,782	47.5%	12 of 12
2021	13,735	27.5%	12 of 12
2022	9,341	18.7%	12 of 12
2023	13,905	27.8%	12 of 12
2024	12,366	24.7%	12 of 12
2025	11,842	23.7%	12 of 12
2026 (provisional, partial year)	Not reported	Not reported	0 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

Generator	Technology	Nameplate MW	Online since
1	Conventional Hydroelectric	1.4	January 1913
2	Conventional Hydroelectric	0.4	January 1913
3	Conventional Hydroelectric	1.3	January 1910
5	Conventional Hydroelectric	1.3	January 1905
7	Conventional Hydroelectric	1.3	January 1910

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 FirstLight Power Resources, Inc. - MA as the operator, which is not always the owner.

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Modeled data

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Power plants near Turners Falls

Kearsarge MontagueSolar · 4 MW · 2.4 km Kearsarge Montague BD(CSG)Solar · 3.8 MW · 2.5 km CabotHydro · 61.8 MW · 2.7 km Greenfield Solar PVSolar · 2 MW · 3.9 km Axio Green LLCSolar · 1.8 MW · 5.3 km Deerfield CSG SolarSolar · 4.5 MW · 5.5 km

More plants operated by FirstLight Power Resources, Inc. - MA

Northfield MountainPumped storage · 1,168 MW · Franklin County CabotHydro · 61.8 MW · Franklin County NFM Solar Power LLCSolar · 1.9 MW · Franklin County

All 682 plants in Massachusetts More hydroelectric power plants in Massachusetts 33 plants in Franklin County Largest power plants in Massachusetts ISO-NE on the mapFirstLight Power Resources, Inc. - MA: 4 plants

Questions about Turners Falls

How much power does Turners Falls produce?

Turners Falls reported 11,842 MWh (11.8 GWh) of net generation in 2025, a 23.7% capacity factor on 5.7 MW of nameplate capacity.

Where is Turners Falls?

Turners Falls is in Franklin County, Massachusetts, at 42.6080, −72.5615. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Turners Falls?

EIA-860M for August 2026 lists FirstLight Power Resources, Inc. - MA as the operator (EIA operator ID 58185). The operator is not always the owner.

When did Turners Falls start operating?

Its first generator began operating in January 1905, according to EIA-860M.

Does InfraMap have power prices for Turners Falls?

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