Montauk Energy Storage Center
Battery storage project in Suffolk County, New York. 5 MW of nameplate capacity across 1 generator, operated by Montauk Energy Storage Center, LLC.
Also known as EIA plant 62734
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- February 2019First generator online
- Operator
- Montauk Energy Storage Center, LLCEIA operator ID 62651
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- None linkedNo verified ISO node
- Location
- Suffolk County, NY41.0399, −71.9644
- EIA plant ID
- 62734EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Montauk Energy Storage Center produces
Free · EIA-923Net generation, 2025
−655 MWh
−655 MWh, final
Battery discharge, 2025
3.12 GWh
Charge 3.73 GWh
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2020 to 2025
−854.0–−476.0
MWh a year. Low 2024, high 2022
| 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 | −716 | Not reported | 11 of 12 |
| 2020 | −544 | Not reported | 12 of 12 |
| 2021 | −762 | Not reported | 12 of 12 |
| 2022 | −476 | Not reported | 12 of 12 |
| 2023 | −639 | Not reported | 12 of 12 |
| 2024 | −854 | Not reported | 12 of 12 |
| 2025 | −655 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.
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 |
|---|---|---|---|
| BME | Batteries | 5.0 | February 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 Montauk Energy Storage Center, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
300 analyst questions a month, plus MCP
Query Montauk Energy Storage Center and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Montauk Energy Storage Center
Questions about Montauk Energy Storage Center
How much power does Montauk Energy Storage Center produce?
Montauk Energy Storage Center reported −655 MWh (−655 MWh) of net generation in 2025.
Where is Montauk Energy Storage Center?
Montauk Energy Storage Center is in Suffolk County, New York, at 41.0399, −71.9644. It is in the New York Independent System Operator balancing area (NYIS).
Who operates Montauk Energy Storage Center?
EIA-860M for August 2026 lists Montauk Energy Storage Center, LLC as the operator (EIA operator ID 62651). The operator is not always the owner.
When did Montauk Energy Storage Center start operating?
Its first generator began operating in February 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page