Cabot
Hydro power plant in Franklin County, Massachusetts. 61.8 MW of nameplate capacity across 6 generators, operated by FirstLight Power Resources, Inc. - MA.
Also known as Cabot Station · EIA plant 1629
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 61.8 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- January 1915First generator online
- Operator
- FirstLight Power Resources, Inc. - MAEIA operator ID 58185
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 1 ISONE nodeResource nodes with prices
- Location
- Franklin County, MA42.5875, −72.5793
- EIA plant ID
- 1629EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Cabot produces
Free · EIA-923Net generation, 2025
239 GWh
239,480 MWh, final
Capacity factor, 2025
44.2%
2024: 56.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
239.5–394.4
GWh a year. Low 2025, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 274,790 | Not reported | 12 of 12 |
| 2001 | 138,271 | Not reported | 12 of 12 |
| 2002 | 229,296 | Not reported | 12 of 12 |
| 2003 | 268,393 | Not reported | 12 of 12 |
| 2004 | 283,649 | Not reported | 12 of 12 |
| 2005 | 321,125 | Not reported | 12 of 12 |
| 2006 | 392,435 | Not reported | 12 of 12 |
| 2007 | 297,891 | Not reported | 12 of 12 |
| 2008 | 381,870 | Not reported | 12 of 12 |
| 2009 | 373,153 | Not reported | 12 of 12 |
| 2010 | 321,058 | 59.3% | 12 of 12 |
| 2011 | 351,448 | 64.9% | 12 of 12 |
| 2012 | 295,798 | 54.5% | 12 of 12 |
| 2013 | 339,241 | 62.7% | 12 of 12 |
| 2014 | 330,568 | 61.1% | 12 of 12 |
| 2015 | 280,034 | 51.7% | 12 of 12 |
| 2016 | 245,978 | 45.3% | 12 of 12 |
| 2017 | 326,039 | 60.2% | 12 of 12 |
| 2018 | 332,837 | 61.5% | 12 of 12 |
| 2019 | 300,498 | Not reported | 12 of 12 |
| 2020 | 275,922 | 50.8% | 12 of 12 |
| 2021 | 328,613 | 60.7% | 12 of 12 |
| 2022 | 282,372 | 52.2% | 12 of 12 |
| 2023 | 394,435 | 72.9% | 12 of 12 |
| 2024 | 304,242 | 56.0% | 12 of 12 |
| 2025 | 239,480 | 44.2% | 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. 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 |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 10.3 | January 1915 |
| 2 | Conventional Hydroelectric | 10.3 | January 1915 |
| 3 | Conventional Hydroelectric | 10.3 | January 1916 |
| 4 | Conventional Hydroelectric | 10.3 | January 1916 |
| 5 | Conventional Hydroelectric | 10.3 | January 1917 |
| 6 | Conventional Hydroelectric | 10.3 | January 1917 |
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 FirstLight Power Resources, Inc. - MA as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Cabot
More plants operated by FirstLight Power Resources, Inc. - MA
Questions about Cabot
How much power does Cabot produce?
Cabot reported 239,480 MWh (239 GWh) of net generation in 2025, a 44.2% capacity factor on 61.8 MW of nameplate capacity.
Where is Cabot?
Cabot is in Franklin County, Massachusetts, at 42.5875, −72.5793. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Cabot?
EIA-860M for August 2026 lists FirstLight Power Resources, Inc. - MA as the operator (EIA operator ID 58185). The operator is not always the owner.
When did Cabot start operating?
Its first generator began operating in January 1915, according to EIA-860M.
Does InfraMap have power prices for Cabot?
Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Cabot, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page