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3 MW BESS operating in Worcester, MA — ISO New England Inc.
3 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
42.2913, -71.9455
County
Worcester, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Paxton BESS 1 LLC | — | — |
| Owner(s) | Paxton BESS 1 LLC | — | — |
| Status | Operating | — | — |
Paxton BESS 1 is a battery energy storage system (BESS) located in Worcester County, Massachusetts. The facility, owned and operated by Paxton BESS 1 LLC, began operating in 2024. It has a total capacity of 3 MW and consists of a single generator utilizing battery storage technology. The plant uses lithium-ion batteries (LIB) and has a total storage capacity of 8.9 MWh, providing a duration of approximately 2.97 hours at full output.
The facility operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. Paxton BESS 1 is ranked as the 97th largest power plant in Massachusetts out of 126, and ranks 1068th nationally out of 1205 plants. The plant's primary fuel is listed as "MWH", indicating it draws power from the grid to charge its batteries.
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
−30 MWh
Net Charging
-50 MWh
Annual Net Energy
-0.2%
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: $4.1M
Point of Interconnection
Nearest Substation
Paxton Substation · 115 kV
Substation Distance
< 10 km
Operator
Paxton Municipal Light Department
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
7004
Pricing Hub
.H.INTERNAL_HUB
Node Source
EIA-860 direct report
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ISO New England Inc. (ISNE)
Grid Voltage
13.8 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP