HydroOperatingNYISO

Chasm

Hydro power plant in Franklin County, New York. 3 MW of nameplate capacity across 3 generators, operated by Erie Boulevard Hydropower LP.

Also known as EIA plant 2550

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Franklin Solar SiteMalone Solar SiteJericho Rise Wind Farm LLCOYA State Route 122Chateaugay High Falls…Chasm10 km
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6 plants within 20 km, from EIA coordinates.

Key facts

Capacity
3 MWNameplate
Generators
3 operatingEIA-860M, August 2026
Operating since
January 1913First generator online
Operator
Erie Boulevard Hydropower LPEIA operator ID 5914
Grid
NYISOBalancing authority NYIS
Price nodes
1 NYISO nodeResource nodes with prices
Location
Franklin County, NY44.7533, −74.2169
EIA plant ID
2550EIA plant page

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

How much power Chasm produces

Free · EIA-923

Net generation, 2025

20.7 GWh

20,722 MWh, final

Capacity factor, 2025

78.9%

2024: 104.0%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

13.0–27.4

GWh a year. Low 2015, high 2024

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
200120,567Not reported12 of 12
200223,557Not reported12 of 12
200322,293Not reported12 of 12
20042,315Not reported12 of 12
200522,616Not reported12 of 12
200623,213Not reported12 of 12
200721,780Not reported12 of 12
200821,177Not reported12 of 12
200921,344Not reported12 of 12
201021,90083.3%12 of 12
201119,25173.3%12 of 12
201213,47051.1%12 of 12
20139,19035.0%12 of 12
20148,01930.5%12 of 12
201513,01749.5%12 of 12
201618,97972.0%12 of 12
201721,07980.2%12 of 12
201821,94383.5%12 of 12
201923,75090.4%12 of 12
202020,73578.7%12 of 12
202117,33165.9%12 of 12
202221,50481.8%12 of 12
202326,878102.3%12 of 12
202427,407104.0%12 of 12
202520,72278.9%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
1Conventional Hydroelectric1.0January 1913
2Conventional Hydroelectric1.0January 1913
3Conventional Hydroelectric1.0January 1926

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 Erie Boulevard Hydropower LP 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 Chasm

More plants operated by Erie Boulevard Hydropower LP

Questions about Chasm

How much power does Chasm produce?

Chasm reported 20,722 MWh (20.7 GWh) of net generation in 2025, a 78.9% capacity factor on 3 MW of nameplate capacity.

Where is Chasm?

Chasm is in Franklin County, New York, at 44.7533, −74.2169. It is in the New York Independent System Operator balancing area (NYIS).

Who operates Chasm?

EIA-860M for August 2026 lists Erie Boulevard Hydropower LP as the operator (EIA operator ID 5914). The operator is not always the owner.

When did Chasm start operating?

Its first generator began operating in January 1913, according to EIA-860M.

Does InfraMap have power prices for Chasm?

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