West Groton CHP
Natural gas power plant in Middlesex County, Massachusetts. 4.1 MW of nameplate capacity across 1 generator, operated by Hollingsworth & Vose Co West Groton.
Also known as EIA plant 60276
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4.1 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2015First generator online
- Operator
- Hollingsworth & Vose Co West GrotonEIA operator ID 60058
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- None linkedNo verified ISO node
- Location
- Middlesex County, MA42.6134, −71.6338
- EIA plant ID
- 60276EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power West Groton CHP produces
Free · EIA-923Net generation, 2025
20.9 GWh
20,946 MWh, final
Capacity factor, 2025
58.3%
2024: 61.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2016 to 2025
19.1–23.0
GWh a year. Low 2016, high 2021
| 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 | 241 | Not reported | 1 of 12 |
| 2016 | 19,087 | 53.0% | 12 of 12 |
| 2017 | 20,343 | 56.6% | 12 of 12 |
| 2018 | 22,271 | 62.0% | 12 of 12 |
| 2019 | 21,988 | 61.2% | 12 of 12 |
| 2020 | 22,562 | 62.6% | 12 of 12 |
| 2021 | 23,037 | 64.1% | 12 of 12 |
| 2022 | 22,429 | 62.4% | 12 of 12 |
| 2023 | 19,567 | 54.5% | 12 of 12 |
| 2024 | 21,969 | 61.0% | 12 of 12 |
| 2025 | 20,946 | 58.3% | 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| G1 | Natural Gas Fired Combustion Turbine | 4.1 | December 2015 |
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 Hollingsworth & Vose Co West Groton 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 West Groton CHP
How much power does West Groton CHP produce?
West Groton CHP reported 20,946 MWh (20.9 GWh) of net generation in 2025, a 58.3% capacity factor on 4.1 MW of nameplate capacity.
Where is West Groton CHP?
West Groton CHP is in Middlesex County, Massachusetts, at 42.6134, −71.6338. It is in the ISO New England Inc. balancing area (ISNE).
Who operates West Groton CHP?
EIA-860M for August 2026 lists Hollingsworth & Vose Co West Groton as the operator (EIA operator ID 60058). The operator is not always the owner.
When did West Groton CHP start operating?
Its first generator began operating in December 2015, 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