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578 MW Natural Gas operating in New Haven, CT — ISO New England Inc.
578 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combined Cycle
Technology
2004
Operating Since
Coordinates
41.2244, -73.0997
County
New Haven, CT
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Milford Power Co LLC | Milford Power Company | — |
| Owner(s) | Milford Power Co LLC | Vistra | — |
| Status | Operating | — | — |
The Milford Power Project is a 578 MW natural gas-fired combined cycle power plant located in New Haven County, Connecticut. The plant began operating in 2004 and consists of two generators. It is owned by Vistra and operated by Milford Power Co LLC. The plant is the 5th largest of 8 power plants in Connecticut, and ranks 421st out of 945 plants nationally.
Milford Power Project operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the latest year of reported data, the plant generated 3,368,307 MWh of electricity, achieving a capacity factor of 66.5%. News reports indicate the plant has been associated with 2 hazard-related events.
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
304.8K MWh
Latest Month
3.4M MWh
Annual Generation
66.5%
Capacity Factor
CO₂ Intensity
883 lb/MWh
NOx
0.053 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $557.8M
Point of Interconnection
Nearest Substation
Milford Power Project
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.MILFD_CT21 MFD1
Pricing Hub
.Z.CONNECTICUT
Node Source
EIA-860 direct report
Last updated 2026-03-26
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ask pi about Milford Power ProjectISO New England Inc. (ISNE)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.004 lb/MWh
CH₄
0.017 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
70.2%
Annual Net Gen
3556 GWh
CO₂eq
884 lb/MWh
Subregion
NPCC New England