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10 MW Batteries (5 MW) + Solar Photovoltaic (5 MW) operating in Plymouth, MA — ISO New England Inc.
10 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2021
Operating Since
Coordinates
41.8283, -70.7245
County
Plymouth, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | 59FED WHAM8 Solar, LLC | 59FED WHAM8 Solar | — |
| Owner(s) | 59FED WHAM8 Solar, LLC | — | — |
| Status | Operating | operating | — |
Located in Plymouth County, Massachusetts, the 59 Federal Rd(CSG) is a hybrid power plant combining solar photovoltaic generation with battery energy storage. The facility, owned and operated by 59FED WHAM8 Solar, LLC, began operation in 2021. It has a total capacity of 10 MW consisting of two generators and utilizes MWH as its primary fuel. The plant also incorporates a 20.5 MWh battery energy storage system (BESS) with a duration of 4.1 hours, employing lithium-ion battery chemistry. The solar array uses a fixed tilt tracking system.
The 59 Federal Rd(CSG) plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In its latest year of operation, the plant generated 11,322 MWh, achieving a capacity factor of 12.9%. Financial data is available for the plant from LBNL Solar. The plant is ranked 5th out of 126 similar facilities in Massachusetts and 759th out of 1205 nationally.
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
585 MWh
Net Discharge
11.3K MWh
Annual Net Energy
12.9%
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 2021–2024
$33.0/MWh
Energy Value
$4.7/MWh
Capacity Value
Point of Interconnection
Nearest Substation
Tremont Substation · 115 kV
Substation Distance
4.665 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.TREMONT 23
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
22.8 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP