Westport Community Solar Garden
Solar power plant in Bristol County, Massachusetts. 2 MW of nameplate capacity across 1 generator, operated by BWC Bass River LLC.
Also known as EIA plant 64574
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- July 2017First generator online
- Operator
- BWC Bass River LLCEIA operator ID 64200
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- None linkedNo verified ISO node
- Location
- Bristol County, MA41.6899, −71.0938
- EIA plant ID
- 64574EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Westport Community Solar Garden produces
Free · EIA-923Net generation, 2025
1.75 GWh
1,748 MWh, final
Capacity factor, 2025
10.0%
2024: 21.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2020 to 2025
1.7–3.7
GWh a year. Low 2025, high 2024
| 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 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | 3,703 | 21.1% | 12 of 12 |
| 2021 | 3,382 | 19.3% | 12 of 12 |
| 2022 | 2,791 | 15.9% | 12 of 12 |
| 2023 | 2,962 | 16.9% | 12 of 12 |
| 2024 | 3,736 | 21.3% | 12 of 12 |
| 2025 | 1,748 | 10.0% | 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 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. 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 | Solar Photovoltaic | 2.0 | July 2017 |
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 BWC Bass River LLC 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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Questions about Westport Community Solar Garden
How much power does Westport Community Solar Garden produce?
Westport Community Solar Garden reported 1,748 MWh (1.75 GWh) of net generation in 2025, a 10.0% capacity factor on 2 MW of nameplate capacity.
Where is Westport Community Solar Garden?
Westport Community Solar Garden is in Bristol County, Massachusetts, at 41.6899, −71.0938. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Westport Community Solar Garden?
EIA-860M for August 2026 lists BWC Bass River LLC as the operator (EIA operator ID 64200). The operator is not always the owner.
When did Westport Community Solar Garden start operating?
Its first generator began operating in July 2017, 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