Middleton Solar Park
Solar and battery storage project in Essex County, Massachusetts. 8 MW of nameplate capacity across 2 generators, operated by Novis Renewables, LLC.
Also known as EIA plant 63214
This project groups Middleton Solar Park (EIA 63214). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 8 MWSolar 5.0 · Battery storage 3.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- June 2018First generator online
- Operator
- Novis Renewables, LLCEIA operator ID 67467
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- None linkedNo verified ISO node
- Location
- Essex County, MA42.5817, −70.9987
- EIA plant ID
- 63214EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Middleton Solar Park produces
Free · EIA-923Net generation, 2025
6.61 GWh
6,613 MWh, final
Capacity factor, 2025
15.1%
2024: 15.8%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2019 to 2025
6.6–8.1
GWh a year. Low 2025, high 2022
| 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 | 7,232 | 16.5% | 12 of 12 |
| 2020 | 7,796 | 17.8% | 12 of 12 |
| 2021 | 7,468 | 17.2% | 12 of 12 |
| 2022 | 8,110 | 18.7% | 12 of 12 |
| 2023 | 7,491 | 17.4% | 12 of 12 |
| 2024 | 6,808 | 15.8% | 12 of 12 |
| 2025 | 6,613 | 15.1% | 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 |
|---|---|---|---|
| MDB02 | Batteries | 3.0 | December 2019 |
| MDL01 | Solar Photovoltaic | 5.0 | June 2018 |
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 Novis Renewables, 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 Middleton Solar Park
More plants operated by Novis Renewables, LLC
Questions about Middleton Solar Park
How much power does Middleton Solar Park produce?
Middleton Solar Park reported 6,613 MWh (6.61 GWh) of net generation in 2025, a 15.1% capacity factor on 8 MW of nameplate capacity.
Where is Middleton Solar Park?
Middleton Solar Park is in Essex County, Massachusetts, at 42.5817, −70.9987. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Middleton Solar Park?
EIA-860M for August 2026 lists Novis Renewables, LLC as the operator (EIA operator ID 67467). The operator is not always the owner.
Is Middleton Solar Park a solar or a battery storage plant?
Both. Solar capacity totals 5 MW and battery storage capacity totals 3 MW.
When did Middleton Solar Park start operating?
Its first generator began operating in June 2018, 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