Algonquin Windsor Locks — Plant Summary
- EIA Plant ID
- 10567
- Capacity
- 71 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Hartford, CT
- Operating Since
- 1990
- Generators
- 3
- Operator
- Ahlstrom Power Windsor Locks LLC
- Parent Company
- —
- Annual Generation
- 126,668.42 MWh
- Capacity Factor
- 20.4%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Algonquin Windsor Locks
OperatingNatural Gas
Ranked #10 of 48 Natural Gas plants in CT#1029 of 2009 nationally
71 MW Natural Gas operating in Hartford, CT — ISO New England Inc.
EIAWD
71 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
1990
Operating Since
Location
Coordinates
41.9234, -72.6258
County
Hartford, CT
Nearby Plants
- Amazon BDL4Solar3.9 MW · 3.4 km
- Bradley Energy CenterNatural Gas5.8 MW · 4.8 km
- Rainbow (CT)Hydro8 MW · 5.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ahlstrom Power Windsor Locks LLC | — | — |
| Owner(s) | Ahlstrom Power Windsor Locks LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP CHP
Generation
13.5K MWh
Latest Month
126.7K MWh
Annual Generation
20.4%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint 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
News & Articles (3)Beta
Industry·earnings
Algonquin Power & Utilities Corp. Announces CEO Update and 2024 First Quarter Financial Results
PRNewswire/ - Algonquin Power & Utilities Corp. (TSX: AQN) (NYSE: AQN) ("AQN" or the "Company") announced today that the Board of Directors...
Algonquin Power & Utilities Corp. (other)
PR Newswire·1 years ago
Regulatory·ferc order
FERC Fines Algonquin Plant $1M for Bungled Offers
FERC approved a penalty of $1 million against Algonquin Power's Windsor Locks plant for mishandling generators when offering into the ISO-NE markets.
FERC (regulator)Algonquin Power (operator)
RTO Insider·5 years ago
Hazards·other
Asbestos in Connecticut: Are You at Risk of Mesothelioma?
Learn more about asbestos exposure in Connecticut. Find responsible companies, at-risk jobsites and info about mesothelioma risks.
Mesothelioma.com·8 years ago
Last updated 2026-03-26
View all articles