HydroOperatingNYISO

Sissonville Hydro

Hydro power plant in St Lawrence County, New York. 3 MW of nameplate capacity across 1 generator, operated by Boralex Hydro Operations Inc.

Also known as Sissonville Hydroelectric Station · EIA plant 10220

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Hewittville HydroelectricNY Lancaster Shisler Rd Site 2 Solar CSGUnionville Hydro Project 2499 NYClarkson SolarSugar IslandSissonville Hydro2 km
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6 plants within 5.3 km, from EIA coordinates.

Key facts

Capacity
3 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
July 1990First generator online
Operator
Boralex Hydro Operations IncEIA operator ID 55754
Grid
NYISOBalancing authority NYIS
Price nodes
1 NYISO nodeResource nodes with prices
Location
St Lawrence County, NY44.6856, −75.0029
EIA plant ID
10220EIA plant page

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

How much power Sissonville Hydro produces

Free · EIA-923

Net generation, 2025

2.40 GWh

2,396 MWh, final

Capacity factor, 2025

9.1%

2024: 59.7%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

2.4–18.2

GWh a year. Low 2025, 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
200112,809Not reported12 of 12
200214,025Not reported12 of 12
200315,531Not reported12 of 12
200415,300Not reported12 of 12
20059,293Not reported12 of 12
200616,472Not reported12 of 12
200712,966Not reported12 of 12
200816,298Not reported12 of 12
200915,372Not reported12 of 12
201015,46158.8%12 of 12
201114,28054.3%12 of 12
20121,5025.7%12 of 12
201315,23558.0%12 of 12
201414,53655.3%12 of 12
201512,87649.0%12 of 12
201611,27842.8%12 of 12
201718,16669.1%12 of 12
201813,77852.4%12 of 12
201917,02264.8%12 of 12
20209,34335.5%12 of 12
202113,26750.5%12 of 12
202214,97757.0%12 of 12
202315,72359.8%12 of 12
202415,72759.7%12 of 12
20252,3969.1%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
HY1Conventional Hydroelectric3.0July 1990

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 Boralex Hydro Operations Inc as the operator, which is not always the owner.

Modeled data

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Power plants near Sissonville Hydro

More plants operated by Boralex Hydro Operations Inc

Questions about Sissonville Hydro

How much power does Sissonville Hydro produce?

Sissonville Hydro reported 2,396 MWh (2.40 GWh) of net generation in 2025, a 9.1% capacity factor on 3 MW of nameplate capacity.

Where is Sissonville Hydro?

Sissonville Hydro is in St Lawrence County, New York, at 44.6856, −75.0029. It is in the New York Independent System Operator balancing area (NYIS).

Who operates Sissonville Hydro?

EIA-860M for August 2026 lists Boralex Hydro Operations Inc as the operator (EIA operator ID 55754). The operator is not always the owner.

When did Sissonville Hydro start operating?

Its first generator began operating in July 1990, according to EIA-860M.

Does InfraMap have power prices for Sissonville Hydro?

Yes. InfraMap has NYISO day-ahead and real-time prices at 1 price node linked to Sissonville 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)
  • NYISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

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