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11.8 MW Natural Gas Fired Combined Cycle (10 MW) + Other Natural Gas (1 MW) operating in Hartford, CT — ISO New England Inc.
11.8 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Other Natural Gas
1988
Operating Since
Coordinates
41.7631, -72.6733
County
Hartford, CT
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cartier Energy, LLC | — | — |
| Owner(s) | Cartier Energy, LLC | — | — |
| Status | Operating | — | — |
Hartford Hospital Cogeneration is a 17.8 MW hybrid power plant located in Hartford County, Connecticut. The plant, which began operating in 1988, is owned and operated by Cartier Energy, LLC. It utilizes natural gas as its primary fuel source and incorporates multiple technologies, including natural gas-fired combined cycle, natural gas-fired combustion turbine, and other natural gas systems. The facility consists of 4 generators.
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 of data, Hartford Hospital Cogeneration generated 39,488 MWh of electricity, achieving a capacity factor of 25.2%. It is ranked as the 16th largest power plant in Connecticut out of 49, and nationally it is ranked 1,336 out of 1,963 plants.
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
23.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
Commercial CHP
3.6K MWh
Latest Month
39.5K MWh
Annual Generation
25.2%
Capacity Factor
CO₂ Intensity
585 lb/MWh
NOx
2 lb/MWh
SO₂
0.003 lb/MWh
CH₄
0.011 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
42.4%
Annual Net Gen
44 GWh
CO₂eq
586 lb/MWh
Subregion
NPCC New England
2013
$965/kW
Est. Construction Cost
Total estimated cost: $11.4M
Point of Interconnection
Nearest Substation
South Meadow Substation · 115 kV
Substation Distance
< 10 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
980
Pricing Hub
.Z.CONNECTICUT
Node Source
EIA-860 direct report
Last updated 2026-03-26
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