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4 MW Solar operating in Plymouth, MA — ISO New England Inc.
4 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2013
Operating Since
Coordinates
41.9611, -70.7711
County
Plymouth, MA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | CleanCapital Holdings | CleanCapital Holdings | — |
| Owner(s) | GLC-(MA) PlymouthSite 1, LLC | GLC- (MA) PlymouthSite 1 LLC | — |
| Status | Operating | operating | — |
GEM identifies the owner as GLC- (MA) PlymouthSite 1 LLC
This entity is not yet in the GEM ownership database — chain unavailable.
Plymouth Site 1 is a 4 MW solar photovoltaic power plant located in Plymouth County, Massachusetts. The plant, which began operating in 2013, utilizes a single generator with fixed-tilt solar tracking. CleanCapital Holdings is the owner and operator.
The plant's latest annual generation was 7,204 MWh, resulting in a capacity factor of 20.5%. Plymouth Site 1 operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. It is ranked as the 82nd largest solar plant in Massachusetts out of 435, and 3465th nationally out of 7108.
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
424 MWh
Latest Month
7.2K MWh
Annual Generation
20.5%
Capacity Factor
Data from 2014–2024
$32.0/MWh
Energy Value
$4.5/MWh
Capacity Value
Point of Interconnection
Nearest Substation
Brook Street Substation · 115 kV
Substation Distance
1.164 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.BROOK_ST23
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
23.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP