gridprims

Power plant · EIA plant code 52061

Hartford Hospital Cogeneration

Operator
Cartier Energy, LLC
Location
Hartford, CT (county level only)
Balancing authority
ISO New England Inc. (ISNE)
Nameplate capacity
11.8 MW
Summer capacity
10 MW

Planned changes reported to EIA: 2 planned retirements.

U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Generation in 2025

Net generation
49,129 MWh
Capacity factor
47.5%

Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.

U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Emissions

Carbon dioxide in 2023
11,625 metric tons
Carbon dioxide per MWh
585 lb/MWh

eGRID reports 12,814 short tons. One short ton is 0.90718474 metric tons.

Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.

U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0

Generators

Generators at Hartford Hospital Cogeneration
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
GEN2Natural Gas Fired Combined CycleNG4.2 MW1988Operable · As of September 2026 (EIA-860M): (OP) Operating
GEN3Natural Gas Fired Combined CycleNG6.2 MW1988Operable · Planned retirement: 2027 (reported to EIA) · As of September 2026 (EIA-860M): (OP) Operating
GEN4Other Natural GasNG1.4 MW2014Operable · Planned retirement: 2029 (reported to EIA) · As of September 2026 (EIA-860M): (OP) Operating

U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

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