Blenheim Gilboa
Pumped storage power plant in Schoharie County, New York. 1,000 MW of nameplate capacity across 4 generators, operated by New York Power Authority.
Also known as Blenheim-Gilboa Hydroelectric Power Station · EIA plant 2691
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,000 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- July 1973First generator online
- Operator
- New York Power AuthorityEIA operator ID 15296
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- 4 NYISO nodesResource nodes with prices
- Location
- Schoharie County, NY42.4423, −74.4479
- EIA plant ID
- 2691EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Blenheim Gilboa produces
Free · EIA-923Net generation, 2025
−245 GWh
−245,328 MWh, final
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
−128 GWh
Provisional
Range, 2015 to 2025
−245.3–−120.5
GWh a year. Low 2025, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | −641,455 | Not reported | 12 of 12 |
| 2001 | −559,324 | Not reported | 12 of 12 |
| 2002 | −556,967 | Not reported | 12 of 12 |
| 2003 | −541,613 | Not reported | 12 of 12 |
| 2004 | −442,726 | Not reported | 12 of 12 |
| 2005 | −429,914 | Not reported | 12 of 12 |
| 2006 | −396,067 | Not reported | 12 of 12 |
| 2007 | −384,894 | Not reported | 12 of 12 |
| 2008 | −287,776 | Not reported | 12 of 12 |
| 2009 | −118,776 | Not reported | 12 of 12 |
| 2010 | −156,982 | Not reported | 12 of 12 |
| 2011 | −100,600 | Not reported | 12 of 12 |
| 2012 | −92,664 | Not reported | 12 of 12 |
| 2013 | −121,264 | Not reported | 12 of 12 |
| 2014 | −176,020 | Not reported | 12 of 12 |
| 2015 | −177,465 | Not reported | 12 of 12 |
| 2016 | −186,162 | Not reported | 12 of 12 |
| 2017 | −163,034 | Not reported | 12 of 12 |
| 2018 | −200,581 | Not reported | 12 of 12 |
| 2019 | −120,509 | Not reported | 12 of 12 |
| 2020 | −140,220 | Not reported | 12 of 12 |
| 2021 | −148,232 | Not reported | 12 of 12 |
| 2022 | −212,150 | Not reported | 12 of 12 |
| 2023 | −145,950 | Not reported | 12 of 12 |
| 2024 | −171,223 | Not reported | 12 of 12 |
| 2025 | −245,328 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | −128,194 | Not reported | 7 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 | Hydroelectric Pumped Storage | 250.0 | July 1973 |
| 2 | Hydroelectric Pumped Storage | 250.0 | July 1973 |
| 3 | Hydroelectric Pumped Storage | 250.0 | July 1973 |
| 4 | Hydroelectric Pumped Storage | 250.0 | July 1973 |
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 New York Power Authority 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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Questions about Blenheim Gilboa
How much power does Blenheim Gilboa produce?
Blenheim Gilboa reported −245,328 MWh (−245 GWh) of net generation in 2025. From January to July 2026 it reported −128 GWh, which is provisional.
Where is Blenheim Gilboa?
Blenheim Gilboa is in Schoharie County, New York, at 42.4423, −74.4479. It is in the New York Independent System Operator balancing area (NYIS).
Who operates Blenheim Gilboa?
EIA-860M for August 2026 lists New York Power Authority as the operator (EIA operator ID 15296). The operator is not always the owner.
When did Blenheim Gilboa start operating?
Its first generator began operating in July 1973, according to EIA-860M.
Does InfraMap have power prices for Blenheim Gilboa?
Yes. InfraMap has NYISO day-ahead and real-time prices at 4 price nodes linked to Blenheim Gilboa, 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