Deerfield 3
Hydro power plant in Franklin County, Massachusetts. 4.8 MW of nameplate capacity across 3 generators, operated by Great River Hydro, LLC.
Also known as EIA plant 6083
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4.8 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- August 1912First generator online
- Operator
- Great River Hydro, LLCEIA operator ID 61122
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 1 ISONE nodeResource nodes with prices
- Location
- Franklin County, MA42.5995, −72.7335
- EIA plant ID
- 6083EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Deerfield 3 produces
Free · EIA-923Net generation, 2025
26.5 GWh
26,454 MWh, final
Capacity factor, 2025
62.9%
2024: 59.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
19.3–34.4
GWh a year. Low 2015, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 18,667 | Not reported | 12 of 12 |
| 2002 | 26,866 | Not reported | 12 of 12 |
| 2003 | 31,694 | Not reported | 12 of 12 |
| 2004 | 26,076 | Not reported | 12 of 12 |
| 2005 | 27,069 | Not reported | 12 of 12 |
| 2006 | 31,677 | Not reported | 12 of 12 |
| 2007 | 3,698 | Not reported | 12 of 12 |
| 2008 | 24,343 | Not reported | 12 of 12 |
| 2009 | 30,659 | Not reported | 12 of 12 |
| 2010 | 23,216 | 55.2% | 12 of 12 |
| 2011 | 27,470 | 65.3% | 12 of 12 |
| 2012 | 19,074 | 45.2% | 12 of 12 |
| 2013 | 24,839 | 59.1% | 12 of 12 |
| 2014 | 24,727 | 58.8% | 12 of 12 |
| 2015 | 19,339 | 46.0% | 12 of 12 |
| 2016 | 19,922 | 47.2% | 12 of 12 |
| 2017 | 30,378 | 72.2% | 12 of 12 |
| 2018 | 33,332 | 79.3% | 12 of 12 |
| 2019 | 27,192 | 64.7% | 12 of 12 |
| 2020 | 27,095 | 64.3% | 12 of 12 |
| 2021 | 33,417 | 79.5% | 12 of 12 |
| 2022 | 24,328 | 57.9% | 12 of 12 |
| 2023 | 34,354 | 81.7% | 12 of 12 |
| 2024 | 24,968 | 59.2% | 12 of 12 |
| 2025 | 26,454 | 62.9% | 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 |
|---|---|---|---|
| GEN1 | Conventional Hydroelectric | 1.6 | August 1912 |
| GEN2 | Conventional Hydroelectric | 1.6 | August 1912 |
| GEN3 | Conventional Hydroelectric | 1.6 | August 1912 |
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 Great River Hydro, LLC 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 Deerfield 3
More plants operated by Great River Hydro, LLC
Questions about Deerfield 3
How much power does Deerfield 3 produce?
Deerfield 3 reported 26,454 MWh (26.5 GWh) of net generation in 2025, a 62.9% capacity factor on 4.8 MW of nameplate capacity.
Where is Deerfield 3?
Deerfield 3 is in Franklin County, Massachusetts, at 42.5995, −72.7335. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Deerfield 3?
EIA-860M for August 2026 lists Great River Hydro, LLC as the operator (EIA operator ID 61122). The operator is not always the owner.
When did Deerfield 3 start operating?
Its first generator began operating in August 1912, according to EIA-860M.
Does InfraMap have power prices for Deerfield 3?
Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Deerfield 3, 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