Naval Sub Base New London Fuel Cell
Natural gas power plant in New London County, Connecticut. 7.4 MW of nameplate capacity across 2 generators, operated by Groton Station Fuel Cell, LLC.
Also known as EIA plant 61743
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 7.4 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 2022First generator online
- Operator
- Groton Station Fuel Cell, LLCEIA operator ID 60195
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 1 ISONE nodeResource nodes with prices
- Location
- New London County, CT41.4000, −72.0855
- EIA plant ID
- 61743EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Naval Sub Base New London Fuel Cell produces
Free · EIA-923Net generation, 2025
29.9 GWh
29,901 MWh, final
Capacity factor, 2025
46.1%
2024: 67.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2023 to 2025
29.9–43.6
GWh a year. Low 2025, 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 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | 2,277 | Not reported | 1 of 12 |
| 2023 | 34,163 | 52.7% | 12 of 12 |
| 2024 | 43,597 | 67.1% | 12 of 12 |
| 2025 | 29,901 | 46.1% | 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 account · ISONEEmissions
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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| MMH2 | Other Natural Gas | 3.7 | December 2022 |
| MMH3 | Other Natural Gas | 3.7 | December 2022 |
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 Groton Station Fuel Cell, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Naval Sub Base New London Fuel Cell
How much power does Naval Sub Base New London Fuel Cell produce?
Naval Sub Base New London Fuel Cell reported 29,901 MWh (29.9 GWh) of net generation in 2025, a 46.1% capacity factor on 7.4 MW of nameplate capacity.
Where is Naval Sub Base New London Fuel Cell?
Naval Sub Base New London Fuel Cell is in New London County, Connecticut, at 41.4000, −72.0855. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Naval Sub Base New London Fuel Cell?
EIA-860M for August 2026 lists Groton Station Fuel Cell, LLC as the operator (EIA operator ID 60195). The operator is not always the owner.
When did Naval Sub Base New London Fuel Cell start operating?
Its first generator began operating in December 2022, according to EIA-860M.
Does InfraMap have power prices for Naval Sub Base New London Fuel Cell?
Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Naval Sub Base New London Fuel Cell, 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)
- ISONE 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