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96 MW Natural Gas operating in New Haven, CT — ISO New England Inc.
96 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Fired Combustion Turbine
Technology
2009
Operating Since
Coordinates
41.5444, -73.0416
County
New Haven, CT
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Waterbury Generation | — |
| Owner(s) | Waterbury Generation LLC | Hull Street Energy | — |
| Status | Operating | — | — |
Waterbury Generation is a 96 MW natural gas-fired power plant located in New Haven County, Connecticut. The plant began operating in 2009 and has one natural gas-fired combustion turbine generator. Hull Street Energy is the parent company, while Engie North America serves as the plant's operator. Waterbury Generation ranks as the 9th largest power plant in Connecticut out of 49 plants, and 958th nationally out of 1963 plants.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the most recent year with available data, Waterbury Generation produced 43,778 MWh of electricity, resulting in a capacity factor of 5.2%.
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
ISO New England Inc. (ISNE)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
334 MWh
Latest Month
43.8K MWh
Annual Generation
5.2%
Capacity Factor
CO₂ Intensity
1172 lb/MWh
NOx
0.116 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.022 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
4.8%
Annual Net Gen
40 GWh
CO₂eq
1173 lb/MWh
Subregion
NPCC New England
2013
$965/kW
Est. Construction Cost
Total estimated cost: $92.7M
Point of Interconnection
Nearest Substation
Waterbury Substation · 115 kV
Substation Distance
0.025 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.WATERBRY13.8WBRY
Pricing Hub
.Z.CONNECTICUT
Location Type
NETWORK NODE
Node Source
Curated node match
Last updated 2026-03-14
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