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275 MW BESS planned in Middlesex, CT — ISO New England Inc.
275 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
Coordinates
41.5543, -72.5783
County
Middlesex, CT
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Lighthouse Middletown, LLC | — | — |
| Owner(s) | Lighthouse Middletown, LLC | — | — |
| Status | Planned | — | — |
Elevate Middletown is a 275 MW battery storage facility located in Middlesex County, Connecticut. It is owned and operated by Lighthouse Middletown, LLC. The plant utilizes batteries as its energy source, categorized by the EIA as "MWH". It has one generator.
Elevate Middletown operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. It is ranked as the largest battery storage facility in Connecticut (1 of 1) and is ranked 183 out of 514 battery storage facilities nationally.
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: $374.3M
Point of Interconnection
Nearest Substation
Middletown Substation · 115 kV
Substation Distance
< 10 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.Z.CONNECTICUT
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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ask pi about Elevate MiddletownISO New England Inc. (ISNE)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP