5 MW BESS operating in Middlesex, MA — ISO New England Inc.
5 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
42.5540, -71.1360
County
Middlesex, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Kearsarge Riverpark I LLC | — | — |
| Owner(s) | Kearsarge Riverpark I LLC | — | — |
| Status | Operating | — | — |
Kearsarge Riverpark II LLC is a 5 MW battery energy storage system (BESS) located in Middlesex County, Massachusetts. The plant began operating in 2025 and has one generator. It is owned and operated by Kearsarge Riverpark I LLC. The primary fuel listed is MWH, indicating that the facility stores and discharges electricity. The BESS has a duration of 2.24 hours.
The facility operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. Kearsarge Riverpark II LLC ranks 67th out of 126 power plants in Massachusetts by capacity, and 969th out of 1205 nationally.
Generated from EIA, GEM, and public data sources
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
13.8 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Reading Substation · 115 kV
Substation Distance
3.402 km
Operator
Reading Municipal Light Department
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.N_READNG13.8
Pricing Hub
.H.INTERNAL_HUB
Node Source
Curated node match