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1.5 MW BESS operating in Somerset, ME — ISO New England Inc.
1.5 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2020
Operating Since
Coordinates
44.8040, -69.8410
County
Somerset, ME
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Agilitas Energy, Inc. | — | — |
| Owner(s) | Madison BTM, LLC | — | — |
| Status | Operating | — | — |
Madison BTM is a 1.5 MW battery energy storage system located in Somerset County, Maine. The plant began operating in 2020 and is owned and operated by Agilitas Energy, Inc. It is interconnected to the ISO New England Inc. balancing authority within the Northeast Power Coordinating Council (NPCC) region. The facility has one generator and utilizes batteries as its primary fuel source, specifically lithium-ion batteries (LIB).
The battery energy storage system (BESS) has a total storage capacity of 3.1 MWh, providing a duration of approximately 2.07 hours at its full 1.5 MW discharge rate. Madison BTM is ranked as the 6th largest energy storage plant in Maine and 1166th nationally 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
−1 MWh
Net Charging
-34 MWh
Annual Net Energy
-0.3%
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.
2020
$758/kW
Est. Construction Cost
Total estimated cost: $1.1M
Point of Interconnection
Nearest Substation
Madison Substation · 115 kV
Substation Distance
< 10 km
Operator
Madison Electric Works
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.Z.MAINE
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
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No ask pi reports yet for this entity.
ask pi about Madison BTMISO New England Inc. (ISNE)
Grid Voltage
12.47 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP