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175 MW BESS operating in Cumberland, ME — ISO New England Inc.
175 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
43.6830, -70.3982
County
Cumberland, ME
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cross Town Energy Storage LLC | — | — |
| Owner(s) | Cross Town Energy Storage LLC | — | — |
| Status | Operating | — | — |
Cross Town Energy Storage is a 175 MW battery energy storage system located in Cumberland County, Maine. The facility, identified by plant code 66606, is owned and operated by Cross Town Energy Storage LLC. It is the largest energy storage plant in Maine, ranking 1 of 1 in the state, and 348 out of 514 nationally. The plant consists of a single generator utilizing battery technology, with MWH listed as the primary fuel type.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
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
−1.9K MWh
Net Charging
—
Annual Net Energy
—
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: $238.2M
Point of Interconnection
Nearest Substation
Moshers Substation · 115 kV
Substation Distance
0.115 km
Operator
Central Maine Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.MOSHERS 12.5
Pricing Hub
.Z.MAINE
Location Type
NETWORK NODE
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about Cross Town Energy StorageISO New England Inc. (ISNE)
Grid Voltage
175.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP