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1.5 MW Batteries (1 MW) + Solar Photovoltaic (1 MW) operating in Norfolk, MA — ISO New England Inc.
1.5 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2023
Operating Since
Coordinates
42.1150, -71.2370
County
Norfolk, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Madison Energy Investments LLC | — | — |
| Owner(s) | Madison Energy Investments LLC | — | — |
| Status | Operating | — | — |
Located in Norfolk County, Massachusetts, the 1 Commercial power plant has a total capacity of 1.5 MW. The facility, which began operating in 2023, is owned and operated by Madison Energy Investments LLC. It is a hybrid plant that combines solar photovoltaic generation with battery energy storage. The plant utilizes two generators and its primary fuel source is listed as MWH.
The 1 Commercial plant is connected to the ISO New England Inc. balancing authority and operates within the NPCC NERC region. The plant's battery energy storage system (BESS) has a capacity of 2 MWh and a duration of 2 hours, utilizing lithium-ion battery chemistry (LIB). The solar array uses a fixed-tilt tracking system. In its latest year of operation, the plant generated 770 MWh, resulting in a capacity factor of 5.8%. The plant is ranked 123 out of 126 facilities in Massachusetts and 1155 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
23 MWh
Net Discharge
770 MWh
Annual Net Energy
5.8%
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.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $2.0M
Point of Interconnection
Nearest Substation
Walpole Substation · 115 kV
Substation Distance
2.331 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.WALPOLE 14.4
Pricing Hub
.H.INTERNAL_HUB
Location Type
NETWORK NODE
Node Source
Curated node match
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ask pi about 1 CommercialISO New England Inc. (ISNE)
Grid Voltage
12.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP