BWC Unity Pond LLC
Solar power plant in Kennebec County, Maine. 4.5 MW of nameplate capacity across 1 generator, operated by Navisun LLC.
Also known as EIA plant 66370
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2023First generator online
- Operator
- Navisun LLCEIA operator ID 62836
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 1 ISONE nodeResource nodes with prices
- Location
- Kennebec County, ME44.5871, −69.5508
- EIA plant ID
- 66370EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power BWC Unity Pond produces
Free · EIA-923Net generation, 2025
7.45 GWh
7,446 MWh, final
Capacity factor, 2025
18.9%
2024: 20.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2023 to 2025
0.0–8.1
GWh a year. Low 2023, 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 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | 0 | Not reported | 12 of 12 |
| 2024 | 8,064 | 20.4% | 12 of 12 |
| 2025 | 7,446 | 18.9% | 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 |
|---|---|---|---|
| BENTN | Solar Photovoltaic | 4.5 | December 2023 |
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 Navisun 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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Power plants near BWC Unity Pond
More plants operated by Navisun LLC
Questions about BWC Unity Pond
How much power does BWC Unity Pond LLC produce?
BWC Unity Pond LLC reported 7,446 MWh (7.45 GWh) of net generation in 2025, a 18.9% capacity factor on 4.5 MW of nameplate capacity.
Where is BWC Unity Pond LLC?
BWC Unity Pond LLC is in Kennebec County, Maine, at 44.5871, −69.5508. It is in the ISO New England Inc. balancing area (ISNE).
Who operates BWC Unity Pond LLC?
EIA-860M for August 2026 lists Navisun LLC as the operator (EIA operator ID 62836). The operator is not always the owner.
When did BWC Unity Pond LLC start operating?
Its first generator began operating in December 2023, according to EIA-860M.
Does InfraMap have power prices for BWC Unity Pond LLC?
Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to BWC Unity Pond LLC, 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