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7.6 MW Batteries (3 MW) + Solar Photovoltaic (5 MW) operating in Hampden, MA — ISO New England Inc.
7.6 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2017
Operating Since
Coordinates
42.2690, -72.6032
County
Hampden, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Mt. Tom Solar, LLC | Mt. Tom Solar | — |
| Owner(s) | Mt. Tom Solar, LLC | — | — |
| Status | Operating | operating | — |
The Mt. Tom Solar Project Hybrid is a 7.6 MW hybrid power plant located in Hampden County, Massachusetts. The plant, which began operating in 2017, is owned and operated by Mt. Tom Solar, LLC. It utilizes both solar photovoltaic technology and batteries, with a 6.1 MWh battery energy storage system (BESS) comprised of lithium-ion batteries providing 1.97 hours of duration. The solar array employs a fixed tilt tracking system. The plant is interconnected to the ISO New England Inc. balancing authority within the NPCC NERC region.
The Mt. Tom Solar Project Hybrid is ranked 38th out of 126 power plants in Massachusetts and 897th out of 1205 nationally. In its latest year of operation, the plant generated 4,154 MWh of electricity, achieving a capacity factor of 6.2%. Financial data indicates that the plant's development was tracked by Lawrence Berkeley National Laboratory (LBNL).
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
129 MWh
Latest Month
4.2K MWh
Annual Generation
6.2%
Capacity Factor
Data from 2017–2024
$31.1/MWh
Energy Value
$3.0/MWh
Capacity Value
Point of Interconnection
Nearest Substation
Mount Tom Substation · 115 kV
Substation Distance
1.406 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.HOLYOKE 13.8
Pricing Hub
.H.INTERNAL_HUB
Location Type
NETWORK NODE
Node Source
Curated node match
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ISO New England Inc. (ISNE)
Grid Voltage
13.8 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP