HydroOperatingNYISO

Gouldtown

Hydro power plant in Lewis County, New York. 2 MW of nameplate capacity across 1 generator, operated by Northbrook Lyons Falls LLC.

Also known as EIA plant 56704

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KostervilleLyons Falls HydroelectricBlack River Hydro AssociatesPort Leyden Hydroelec…Gouldtown1 km
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6 plants within 3.2 km, from EIA coordinates.

Key facts

Capacity
2 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
August 1953First generator online
Operator
Northbrook Lyons Falls LLCEIA operator ID 55941
Grid
NYISOBalancing authority NYIS
Price nodes
1 NYISO nodeResource nodes with prices
Location
Lewis County, NY43.6126, −75.3391
EIA plant ID
56704EIA plant page

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

How much power Gouldtown produces

Free · EIA-923

Net generation, 2025

5.67 GWh

5,665 MWh, final

Capacity factor, 2025

32.3%

2024: 10.8%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

1.8–12.6

GWh a year. Low 2019, high 2017

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
20089,421Not reported12 of 12
200912,051Not reported12 of 12
201011,34464.7%12 of 12
201112,87873.5%12 of 12
201210,81961.6%12 of 12
201313,08374.7%12 of 12
20149,86156.3%12 of 12
201510,82161.8%12 of 12
201611,04762.9%12 of 12
201712,64372.2%12 of 12
20187,34341.9%12 of 12
20191,83910.5%12 of 12
20205,60831.9%12 of 12
20216,90439.4%12 of 12
20224,50325.7%12 of 12
20239,26952.9%12 of 12
20241,89810.8%12 of 12
20255,66532.3%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 · NYISO

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
3Conventional Hydroelectric2.0August 1953

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 Northbrook Lyons Falls LLC as the operator, which is not always the owner.

Modeled data

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Power plants near Gouldtown

More plants operated by Northbrook Lyons Falls LLC

Questions about Gouldtown

How much power does Gouldtown produce?

Gouldtown reported 5,665 MWh (5.67 GWh) of net generation in 2025, a 32.3% capacity factor on 2 MW of nameplate capacity.

Where is Gouldtown?

Gouldtown is in Lewis County, New York, at 43.6126, −75.3391. It is in the New York Independent System Operator balancing area (NYIS).

Who operates Gouldtown?

EIA-860M for August 2026 lists Northbrook Lyons Falls LLC as the operator (EIA operator ID 55941). The operator is not always the owner.

When did Gouldtown start operating?

Its first generator began operating in August 1953, according to EIA-860M.

Does InfraMap have power prices for Gouldtown?

Yes. InfraMap has NYISO day-ahead and real-time prices at 1 price node linked to Gouldtown, 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)
  • NYISO 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