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71 MW Natural Gas operating in Hartford, CT — ISO New England Inc.
71 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
1990
Operating Since
Coordinates
41.9234, -72.6258
County
Hartford, CT
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ahlstrom Power Windsor Locks LLC | — | — |
| Owner(s) | Ahlstrom Power Windsor Locks LLC | — | — |
| Status | Operating | — | — |
Algonquin Windsor Locks is a 71 MW natural gas-fired combined cycle power plant located in Hartford County, Connecticut. The plant began operating in 1990 and is owned and operated by Ahlstrom Power Windsor Locks LLC. It consists of 3 generators. Algonquin Windsor Locks is connected to the ISO New England Inc. balancing authority and is within the Northeast Power Coordinating Council (NPCC) NERC region.
In the most recent year with available data, Algonquin Windsor Locks generated 126,668 MWh of electricity, achieving a capacity factor of 20.4%. The plant ranks 11th out of 49 power plants in Connecticut by capacity, and 1022nd out of 1963 plants 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
13.5K MWh
Latest Month
126.7K MWh
Annual Generation
20.4%
Capacity Factor
CO₂ Intensity
37 lb/MWh
NOx
0.040 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $68.5M
Point of Interconnection
Nearest Substation
Dexter Substation · 115 kV
Substation Distance
< 10 km
Operator
Algonquin Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
392
Pricing Hub
.Z.CONNECTICUT
Node Source
EIA-860 direct report
Last updated 2026-03-26
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Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP CHP
0.000 lb/MWh
CH₄
0.013 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
18.6%
Annual Net Gen
116 GWh
CO₂eq
38 lb/MWh
Subregion
NPCC New England