Water Treatment 1 & 2
New London County, Connecticut · EIA plant ID 57605 · Operator: Connecticut Mun Elec Engy Coop
Nameplate5MWSummer 5 MW
Generators2in service
Net generation0GWh12 mo to Aug 2026
Capacity factor1%gas/coal/oil units, summer MW
Heat rate9,778Btu/kWhfossil units, electric fuel, HHV
First online2010Runs as rarely runs
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2011 | 0.5 | 1.0% | 10,222 |
| 2012 | 0.5 | 1.2% | 10,067 |
| 2013 | 0.7 | 1.6% | 9,920 |
| 2014 | 0.9 | 2.0% | 9,907 |
| 2015 | 0.8 | 1.7% | 9,854 |
| 2016 | 0.6 | 1.4% | 10,027 |
| 2017 | 0.5 | 1.2% | 11,031 |
| 2018 | 0.6 | 1.3% | 9,980 |
| 2019 | 0.5 | 1.2% | 9,898 |
| 2020 | 0.8 | 1.7% | 9,920 |
| 2021 | 0.4 | 0.9% | 10,189 |
| 2022 | 0.4 | 1.0% | 9,747 |
| 2023 | 0.5 | 1.1% | 9,720 |
| 2024 | 0.3 | 0.8% | 9,955 |
| 2025 | 0.4 | 0.9% | 9,839 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| WT1 | Petroleum Liquids | IC | 2.6 | 2.5 | Oct 2010 | Operating | — | coming soon |
| WT2 | Petroleum Liquids | IC | 2.6 | 2.5 | Oct 2010 | Operating | — | coming soon |
Owner / operator
Operator: Connecticut Mun Elec Engy Coop. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Connecticut Mun Elec Engy Coop | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Groton Flanders Road Landfill | — | 0.8 km |
| Gary Court 1 & 2 | 5 MW | 2.1 km |
| Pfizer Groton Fuel Cell | 6 MW | 2.9 km |
| Pfizer Groton Plant | 38 MW | 3.6 km |
| Bridge Street 1 & 2 | 5 MW | 3.9 km |
| CMEEC - Polaris Park Solar Hybrid | 4 MW | 4.8 km |