Where is Algonquin Windsor Locks?

In Hartford County, Connecticut (CT). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

How big is Algonquin Windsor Locks?

71 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.

Who owns Algonquin Windsor Locks?

EIA-860M names Ahlstrom Power Windsor Locks LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.

Is this the same as Algonquin Windsor Locks LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ahlstrom Power Windsor Locks LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Algonquin Windsor Locks LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Algonquin Windsor Locks still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Algonquin Windsor Locks

Algonquin Windsor Locks is a 71 MW natural gas power plant in Hartford County, Connecticut, operated by Ahlstrom Power Windsor Locks LLC. EIA-860M lists 3 generating units here, inside ISO New England. Its units entered service between 1990 and 2012.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity: 71 MW; 64 MW net summer
Generating units: 3
In service: 1990–2012
EIA plant ID: 10567

Where it is

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County: Hartford County, Connecticut
Coordinates: 41.9227, -72.6255
Balancing authority: ISNE
Sector: IPP CHP

Units, technology and status

Operator of record: Ahlstrom Power Windsor Locks LLC
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combined Cycle
Status: Operating

Every plant Ahlstrom Power Windsor Locks LLC reports to EIA →

Algonquin Windsor Locks: FAQ

Where is Algonquin Windsor Locks?: In Hartford County, Connecticut (CT). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Algonquin Windsor Locks?: 71 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Algonquin Windsor Locks?: EIA-860M names Ahlstrom Power Windsor Locks LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Algonquin Windsor Locks LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ahlstrom Power Windsor Locks LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Algonquin Windsor Locks LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Algonquin Windsor Locks still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.