Berkshire Wind Power Project
Wind power plant in Berkshire County, Massachusetts. 19.6 MW of nameplate capacity across 3 generators, operated by Massachusetts Mun Wholes Electric Co.
Also known as Berkshire Wind · Berkshire Wind Power Project Phase II · EIA plant 57721
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 19.6 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- May 2011First generator online
- Operator
- Massachusetts Mun Wholes Electric CoEIA operator ID 11806
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 2 ISONE nodesResource nodes with prices
- Location
- Berkshire County, MA42.5867, −73.2750
- EIA plant ID
- 57721EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Berkshire Wind Power Project produces
Free · EIA-923Net generation, 2025
41.9 GWh
41,928 MWh, final
Capacity factor, 2025
24.4%
2024: 15.8%
January to July 2026
12.8 GWh
Provisional
Range, 2015 to 2025
27.2–56.2
GWh a year. Low 2024, high 2020
| 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 | 30,204 | Not reported | 12 of 12 |
| 2012 | 47,634 | 36.2% | 12 of 12 |
| 2013 | 51,700 | 39.3% | 12 of 12 |
| 2014 | 51,207 | 39.0% | 12 of 12 |
| 2015 | 48,919 | 37.2% | 12 of 12 |
| 2016 | 47,017 | 35.7% | 12 of 12 |
| 2017 | 48,948 | 37.3% | 12 of 12 |
| 2018 | 44,871 | 34.1% | 12 of 12 |
| 2019 | 37,859 | Not reported | 12 of 12 |
| 2020 | 56,150 | 32.6% | 12 of 12 |
| 2021 | 43,334 | 25.2% | 12 of 12 |
| 2022 | 42,259 | 24.6% | 12 of 12 |
| 2023 | 30,551 | 17.8% | 12 of 12 |
| 2024 | 27,193 | 15.8% | 12 of 12 |
| 2025 | 41,928 | 24.4% | 12 of 12 |
| 2026 (provisional, partial year) | 12,832 | 12.9% | 7 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 |
|---|---|---|---|
| BWP | Onshore Wind Turbine | 15.0 | May 2011 |
| HN-8 | Onshore Wind Turbine | 2.3 | September 2019 |
| HN-9 | Onshore Wind Turbine | 2.3 | September 2019 |
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 Massachusetts Mun Wholes Electric Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Berkshire Wind Power Project
More plants operated by Massachusetts Mun Wholes Electric Co
Questions about Berkshire Wind Power Project
How much power does Berkshire Wind Power Project produce?
Berkshire Wind Power Project reported 41,928 MWh (41.9 GWh) of net generation in 2025, a 24.4% capacity factor on 19.6 MW of nameplate capacity. From January to July 2026 it reported 12.8 GWh, which is provisional.
Where is Berkshire Wind Power Project?
Berkshire Wind Power Project is in Berkshire County, Massachusetts, at 42.5867, −73.2750. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Berkshire Wind Power Project?
EIA-860M for August 2026 lists Massachusetts Mun Wholes Electric Co as the operator (EIA operator ID 11806). The operator is not always the owner.
When did Berkshire Wind Power Project start operating?
Its first generator began operating in May 2011, according to EIA-860M.
Does InfraMap have power prices for Berkshire Wind Power Project?
Yes. InfraMap has ISONE day-ahead and real-time prices at 2 price nodes linked to Berkshire Wind Power Project, 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
- Project names from the USGS U.S. Wind Turbine Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page