BWC Stony Brook, LLC Hybrid
Solar and battery storage project in Middlesex County, Massachusetts. 2.3 MW of nameplate capacity across 2 generators, operated by AES Distributed Energy.
Also known as EIA plant 64140
This project groups BWC Stony Brook, LLC Hybrid (EIA 64140). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2.3 MWSolar 1.6 · Battery storage 0.7
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- July 2021First generator online
- Operator
- AES Distributed EnergyEIA operator ID 61012
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- None linkedNo verified ISO node
- Location
- Middlesex County, MA42.6375, −71.4036
- EIA plant ID
- 64140EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power BWC Stony Brook, LLC Hybrid produces
Free · EIA-923Net generation, 2025
1.76 GWh
1,758 MWh, final
Capacity factor, 2025
12.7%
2024: 13.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2022 to 2025
1.1–1.9
GWh a year. Low 2022, 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 | Not reported | Not reported | 0 of 12 |
| 2021 | 334 | Not reported | 6 of 12 |
| 2022 | 1,066 | 7.6% | 12 of 12 |
| 2023 | 1,570 | 11.5% | 12 of 12 |
| 2024 | 1,886 | 13.7% | 12 of 12 |
| 2025 | 1,758 | 12.7% | 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 |
|---|---|---|---|
| BESS | Batteries | 0.7 | July 2021 |
| BSBPV | Solar Photovoltaic | 1.6 | July 2021 |
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 AES Distributed Energy 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 BWC Stony Brook, LLC Hybrid
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Questions about BWC Stony Brook, LLC Hybrid
How much power does BWC Stony Brook, LLC Hybrid produce?
BWC Stony Brook, LLC Hybrid reported 1,758 MWh (1.76 GWh) of net generation in 2025, a 12.7% capacity factor on 2.3 MW of nameplate capacity.
Where is BWC Stony Brook, LLC Hybrid?
BWC Stony Brook, LLC Hybrid is in Middlesex County, Massachusetts, at 42.6375, −71.4036. It is in the ISO New England Inc. balancing area (ISNE).
Who operates BWC Stony Brook, LLC Hybrid?
EIA-860M for August 2026 lists AES Distributed Energy as the operator (EIA operator ID 61012). The operator is not always the owner.
Is BWC Stony Brook, LLC Hybrid a solar or a battery storage plant?
Both. Solar capacity totals 1.6 MW and battery storage capacity totals 0.7 MW.
When did BWC Stony Brook, LLC Hybrid start operating?
Its first generator began operating in July 2021, 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