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5.8 MW Batteries (2 MW) + Solar Photovoltaic (4 MW) operating in Barnstable, MA — ISO New England Inc.
5.8 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2022
Operating Since
Coordinates
41.7700, -70.5710
County
Barnstable, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Madison Energy Investments LLC | — | — |
| Owner(s) | Madison Energy Investments LLC | — | — |
| Status | Operating | operating | — |
The 665 Scenic Highway plant is a 5.8 MW hybrid power plant located in Barnstable County, Massachusetts. It began operating in 2022 and is owned and operated by Madison Energy Investments LLC. The plant combines solar photovoltaic generation with battery energy storage. It has two generators and utilizes fixed-tilt solar tracking.
The plant's battery energy storage system (BESS) has a capacity of 31 MWh, providing a duration of approximately 20.67 hours. The battery chemistry is lithium-ion (LIB). 665 Scenic Highway operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. It is ranked as the 59th largest plant in Massachusetts out of 126, and 944th nationally out of 1205 plants. The plant's primary fuel is listed as MWH, reflecting its reliance on stored energy.
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
0 MWh
Latest Month
0 MWh
Annual Generation
0.0%
Capacity Factor
Data from 2023–2024
$31.8/MWh
Energy Value
$4.0/MWh
Capacity Value
Point of Interconnection
Nearest Substation
Bourne Switching Station · 115 kV
Substation Distance
1.139 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.PAVEPAWS23
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
22.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP