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10 MW Batteries (5 MW) + Solar Photovoltaic (5 MW) operating in Hampden, MA — ISO New England Inc.
10 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2022
Operating Since
Coordinates
42.2001, -72.4815
County
Hampden, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Huxley Solar, LLC | Huxley Solar | — |
| Owner(s) | Huxley Solar, LLC | — | — |
| Status | Operating | operating | — |
Huxley Solar is a 10 MW hybrid power plant located in Hampden County, Massachusetts. The facility, which began operating in 2022, is owned and operated by Huxley Solar, LLC. The plant utilizes both solar photovoltaic technology and batteries, with a 3.5 MWh battery energy storage system (BESS) providing 0.7 hours of duration. The BESS uses lithium-ion battery chemistry. The solar array employs single-axis tracking.
The plant's primary fuel source is listed as MWH. In its most recent year of operation, Huxley Solar generated 10,160 MWh of electricity, achieving a capacity factor of 11.6%. Huxley Solar participates in the ISO New England Inc. balancing authority and is situated within the NPCC NERC region. The plant is ranked 9th out of 126 power plants in Massachusetts and 764th out of 1205 nationally. Financial data is available for the plant from LBNL, though specific metrics are not provided.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
423 MWh
Net Discharge
10.2K MWh
Annual Net Energy
11.6%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Data from 2022–2024
$31.9/MWh
Energy Value
$3.5/MWh
Capacity Value
Point of Interconnection
Nearest Substation
Stony Brook Substation · 345 kV
Substation Distance
2.336 km
Operator
Massachusetts Municipal Wholesale Electric Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.STONYBRK13.2ST1A
Pricing Hub
.H.INTERNAL_HUB
Location Type
NETWORK NODE
Node Source
Curated node match
Last updated 2026-03-26
View all articlesISO New England Inc. (ISNE)
Grid Voltage
13.8 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP