Sherman Island
Hydro power plant in Saratoga County, New York. 36.3 MW of nameplate capacity across 6 generators, operated by Erie Boulevard Hydropower LP.
Also known as Sherman Island Powerplant · EIA plant 2609
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 36.3 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- January 1923First generator online
- Operator
- Erie Boulevard Hydropower LPEIA operator ID 5914
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- 1 NYISO nodeResource nodes with prices
- Location
- Saratoga County, NY43.2797, −73.7094
- EIA plant ID
- 2609EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Sherman Island produces
Free · EIA-923Net generation, 2025
139 GWh
139,201 MWh, final
Capacity factor, 2025
43.8%
2024: 54.9%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
137.4–229.6
GWh a year. Low 2016, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 133,223 | Not reported | 12 of 12 |
| 2002 | 152,295 | Not reported | 12 of 12 |
| 2003 | 154,894 | Not reported | 12 of 12 |
| 2004 | 16,992 | Not reported | 12 of 12 |
| 2005 | 140,866 | Not reported | 12 of 12 |
| 2006 | 172,539 | Not reported | 12 of 12 |
| 2007 | 151,064 | Not reported | 12 of 12 |
| 2008 | 176,371 | Not reported | 12 of 12 |
| 2009 | 199,607 | Not reported | 12 of 12 |
| 2010 | 184,547 | 58.0% | 12 of 12 |
| 2011 | 228,834 | 72.0% | 12 of 12 |
| 2012 | 153,946 | 48.3% | 12 of 12 |
| 2013 | 174,283 | 54.8% | 12 of 12 |
| 2014 | 174,579 | 54.9% | 12 of 12 |
| 2015 | 147,889 | 46.5% | 12 of 12 |
| 2016 | 137,352 | 43.1% | 12 of 12 |
| 2017 | 206,642 | 65.0% | 12 of 12 |
| 2018 | 170,388 | 53.6% | 12 of 12 |
| 2019 | 229,584 | 72.2% | 12 of 12 |
| 2020 | 159,238 | 49.9% | 12 of 12 |
| 2021 | 176,815 | 55.6% | 12 of 12 |
| 2022 | 151,482 | 47.6% | 12 of 12 |
| 2023 | 204,221 | 64.2% | 12 of 12 |
| 2024 | 175,004 | 54.9% | 12 of 12 |
| 2025 | 139,201 | 43.8% | 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 · NYISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo 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 | 7.0 | April 2009 |
| 2 | Conventional Hydroelectric | 7.0 | January 1923 |
| 3 | Conventional Hydroelectric | 7.0 | January 1923 |
| 4 | Conventional Hydroelectric | 7.0 | January 1923 |
| 5 | Conventional Hydroelectric | 7.0 | January 1923 |
| 6 | Conventional Hydroelectric | 1.3 | February 2009 |
Ownership and offtake
ProOwnership 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
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Sherman Island
More plants operated by Erie Boulevard Hydropower LP
Questions about Sherman Island
How much power does Sherman Island produce?
Sherman Island reported 139,201 MWh (139 GWh) of net generation in 2025, a 43.8% capacity factor on 36.3 MW of nameplate capacity.
Where is Sherman Island?
Sherman Island is in Saratoga County, New York, at 43.2797, −73.7094. It is in the New York Independent System Operator balancing area (NYIS).
Who operates Sherman Island?
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 Sherman Island start operating?
Its first generator began operating in January 1923, according to EIA-860M.
Does InfraMap have power prices for Sherman Island?
Yes. InfraMap has NYISO day-ahead and real-time prices at 1 price node linked to Sherman Island, 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