Water Treatment 1 & 2
Oil power plant in New London County, Connecticut. 5.2 MW of nameplate capacity across 2 generators, operated by Connecticut Mun Elec Engy Coop.
Also known as EIA plant 57605
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Key facts
- Capacity
- 5.2 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- October 2010First generator online
- Operator
- Connecticut Mun Elec Engy CoopEIA operator ID 4180
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- None linkedNo verified ISO node
- Location
- New London County, CT41.3469, −72.0411
- EIA plant ID
- 57605EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Water Treatment 1 & 2 produces
Free · EIA-923Net generation, 2025
417 MWh
417 MWh, final
Capacity factor, 2025
0.9%
2024: 0.7%
January to July 2026
259 MWh
Provisional
Range, 2015 to 2025
335.0–769.0
MWh a year. Low 2024, high 2015
| 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 | 455 | 1.0% | 12 of 12 |
| 2012 | 525 | 1.2% | 12 of 12 |
| 2013 | 677 | 1.5% | 12 of 12 |
| 2014 | 890 | 2.0% | 12 of 12 |
| 2015 | 769 | Not reported | 12 of 12 |
| 2016 | 627 | 1.4% | 12 of 12 |
| 2017 | 518 | 1.1% | 12 of 12 |
| 2018 | 551 | 1.2% | 12 of 12 |
| 2019 | 508 | 1.1% | 12 of 12 |
| 2020 | 764 | 1.7% | 12 of 12 |
| 2021 | 402 | 0.9% | 12 of 12 |
| 2022 | 446 | 1.0% | 12 of 12 |
| 2023 | 482 | 1.1% | 12 of 12 |
| 2024 | 335 | 0.7% | 12 of 12 |
| 2025 | 417 | 0.9% | 12 of 12 |
| 2026 (provisional, partial year) | 259 | 1.0% | 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 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| WT1 | Petroleum Liquids | 2.6 | October 2010 |
| WT2 | Petroleum Liquids | 2.6 | October 2010 |
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 Connecticut Mun Elec Engy Coop 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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Power plants near Water Treatment 1 & 2
More plants operated by Connecticut Mun Elec Engy Coop
Questions about Water Treatment 1 & 2
How much power does Water Treatment 1 & 2 produce?
Water Treatment 1 & 2 reported 417 MWh (417 MWh) of net generation in 2025, a 0.9% capacity factor on 5.2 MW of nameplate capacity. From January to July 2026 it reported 259 MWh, which is provisional.
Where is Water Treatment 1 & 2?
Water Treatment 1 & 2 is in New London County, Connecticut, at 41.3469, −72.0411. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Water Treatment 1 & 2?
EIA-860M for August 2026 lists Connecticut Mun Elec Engy Coop as the operator (EIA operator ID 4180). The operator is not always the owner.
When did Water Treatment 1 & 2 start operating?
Its first generator began operating in October 2010, 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