NY - CSG - Ellsworth II
Solar power plant in Saratoga County, New York. 2 MW of nameplate capacity across 1 generator, operated by Nautilus Solar Solutions.
Also known as NY-(CSG)-Ellsworth II · EIA plant 63800
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 2019First generator online
- Operator
- Nautilus Solar SolutionsEIA operator ID 61227
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- None linkedNo verified ISO node
- Location
- Saratoga County, NY42.8997, −73.7075
- EIA plant ID
- 63800EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power NY - CSG - Ellsworth II produces
Free · EIA-923Net generation, 2025
3.52 GWh
3,516 MWh, final
Capacity factor, 2025
20.1%
2024: 20.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2020 to 2025
3.5–3.6
GWh a year. Low 2021, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | 430 | Not reported | 4 of 12 |
| 2020 | 3,484 | 19.8% | 12 of 12 |
| 2021 | 3,461 | 19.8% | 12 of 12 |
| 2022 | 3,463 | 19.8% | 12 of 12 |
| 2023 | 3,512 | 20.0% | 12 of 12 |
| 2024 | 3,630 | 20.7% | 12 of 12 |
| 2025 | 3,516 | 20.1% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 |
|---|---|---|---|
| 23 | Solar Photovoltaic | 2.0 | September 2019 |
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 Nautilus Solar Solutions as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near NY - CSG - Ellsworth II
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Questions about NY - CSG - Ellsworth II
How much power does NY - CSG - Ellsworth II produce?
NY - CSG - Ellsworth II reported 3,516 MWh (3.52 GWh) of net generation in 2025, a 20.1% capacity factor on 2 MW of nameplate capacity.
Where is NY - CSG - Ellsworth II?
NY - CSG - Ellsworth II is in Saratoga County, New York, at 42.8997, −73.7075. It is in the New York Independent System Operator balancing area (NYIS).
Who operates NY - CSG - Ellsworth II?
EIA-860M for August 2026 lists Nautilus Solar Solutions as the operator (EIA operator ID 61227). The operator is not always the owner.
When did NY - CSG - Ellsworth II start operating?
Its first generator began operating in September 2019, according to EIA-860M.
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)
- Project names from the USGS U.S. Large-Scale Solar Photovoltaic Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page