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10 MW BESS planned in Cumberland, ME — ISO New England Inc.
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
Coordinates
43.6229, -70.3310
County
Cumberland, ME
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | South Portland ESS, LLC | — | — |
| Owner(s) | South Portland ESS, LLC | — | — |
| Status | Planned | — | — |
South Portland ESS, LLC is a 10 MW battery energy storage system located in Cumberland County, Maine. The facility, identified by plant code 64616, is owned and operated by South Portland ESS, LLC. It consists of a single generator utilizing batteries as its energy source, with MWH listed as the primary fuel.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. South Portland ESS, LLC ranks as the second largest of six energy storage facilities in the state of Maine, and it holds a national ranking of 771 out of 1205 similar facilities.
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
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $13.6M
Point of Interconnection
Nearest Substation
Mussey Road Substation · 115 kV
Substation Distance
0.13 km
Operator
Central Maine Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.MUSSEYRD34.5
Pricing Hub
.Z.MAINE
Location Type
NETWORK NODE
Node Source
Curated node match
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No ask pi reports yet for this entity.
ask pi about South Portland ESS, LLCISO New England Inc. (ISNE)
Grid Voltage
34.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP