Deerfield 5
Hydro power plant in Berkshire County, Massachusetts. 17.5 MW of nameplate capacity across 1 generator, operated by Great River Hydro, LLC.
Also known as Deerfield #5 Station · EIA plant 1620
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Key facts
- Capacity
- 17.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- October 1974First generator online
- Operator
- Great River Hydro, LLCEIA operator ID 61122
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 1 ISONE nodeResource nodes with prices
- Location
- Berkshire County, MA42.6912, −72.9561
- EIA plant ID
- 1620EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Deerfield 5 produces
Free · EIA-923Net generation, 2025
44.4 GWh
44,427 MWh, final
Capacity factor, 2025
29.0%
2024: 27.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
37.5–63.6
GWh a year. Low 2016, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 39,239 | Not reported | 12 of 12 |
| 2002 | 53,481 | Not reported | 12 of 12 |
| 2003 | 60,543 | Not reported | 12 of 12 |
| 2004 | 56,255 | Not reported | 12 of 12 |
| 2005 | 43,258 | Not reported | 12 of 12 |
| 2006 | 63,028 | Not reported | 12 of 12 |
| 2007 | 8,209 | Not reported | 12 of 12 |
| 2008 | 65,626 | Not reported | 12 of 12 |
| 2009 | 67,784 | Not reported | 12 of 12 |
| 2010 | 55,208 | 36.0% | 12 of 12 |
| 2011 | 64,950 | 42.4% | 12 of 12 |
| 2012 | 40,308 | 26.2% | 12 of 12 |
| 2013 | 53,284 | 34.8% | 12 of 12 |
| 2014 | 53,059 | 34.6% | 12 of 12 |
| 2015 | 40,255 | 26.3% | 12 of 12 |
| 2016 | 37,478 | 24.4% | 12 of 12 |
| 2017 | 60,976 | 39.8% | 12 of 12 |
| 2018 | 63,577 | 41.5% | 12 of 12 |
| 2019 | 52,161 | 34.0% | 12 of 12 |
| 2020 | 48,527 | 31.6% | 12 of 12 |
| 2021 | 62,701 | 40.9% | 12 of 12 |
| 2022 | 43,454 | 28.3% | 12 of 12 |
| 2023 | 63,128 | 41.2% | 12 of 12 |
| 2024 | 42,082 | 27.4% | 12 of 12 |
| 2025 | 44,427 | 29.0% | 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 | 17.5 | October 1974 |
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 5
More plants operated by Great River Hydro, LLC
Questions about Deerfield 5
How much power does Deerfield 5 produce?
Deerfield 5 reported 44,427 MWh (44.4 GWh) of net generation in 2025, a 29.0% capacity factor on 17.5 MW of nameplate capacity.
Where is Deerfield 5?
Deerfield 5 is in Berkshire County, Massachusetts, at 42.6912, −72.9561. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Deerfield 5?
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 5 start operating?
Its first generator began operating in October 1974, according to EIA-860M.
Does InfraMap have power prices for Deerfield 5?
Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Deerfield 5, 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