Kearsarge Haverhill
Solar and battery storage project in Essex County, Massachusetts. 4.8 MW of nameplate capacity across 2 generators, operated by Kearsarge Haverhill LLC.
Also known as EIA plant 64618
This project groups Kearsarge Haverhill (EIA 64618). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4.8 MWSolar 2.8 · Battery storage 2.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- March 2021First generator online
- Operator
- Kearsarge Haverhill LLCEIA operator ID 64235
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 1 ISONE nodeResource nodes with prices
- Location
- Essex County, MA42.7529, −71.0470
- EIA plant ID
- 64618EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Kearsarge Haverhill produces
Free · EIA-923Net generation, 2025
3.90 GWh
3,903 MWh, final
Capacity factor, 2025
17.1%
2024: 17.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2022 to 2025
3.8–4.4
GWh a year. Low 2023, 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 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | 3,541 | Not reported | 10 of 12 |
| 2022 | 4,379 | 19.0% | 12 of 12 |
| 2023 | 3,847 | 16.9% | 12 of 12 |
| 2024 | 4,028 | 17.2% | 12 of 12 |
| 2025 | 3,903 | 17.1% | 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 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 |
|---|---|---|---|
| HABAT | Batteries | 2.0 | March 2021 |
| HAV | Solar Photovoltaic | 2.8 | March 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 Kearsarge Haverhill 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 Kearsarge Haverhill
How much power does Kearsarge Haverhill produce?
Kearsarge Haverhill reported 3,903 MWh (3.90 GWh) of net generation in 2025, a 17.1% capacity factor on 4.8 MW of nameplate capacity.
Where is Kearsarge Haverhill?
Kearsarge Haverhill is in Essex County, Massachusetts, at 42.7529, −71.0470. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Kearsarge Haverhill?
EIA-860M for August 2026 lists Kearsarge Haverhill LLC as the operator (EIA operator ID 64235). The operator is not always the owner.
Is Kearsarge Haverhill a solar or a battery storage plant?
Both. Solar capacity totals 2.8 MW and battery storage capacity totals 2 MW.
When did Kearsarge Haverhill start operating?
Its first generator began operating in March 2021, according to EIA-860M.
Does InfraMap have power prices for Kearsarge Haverhill?
Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Kearsarge Haverhill, 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