ALGONQUIN WINDSOR LOCKS

Operating

Natural Gas power plant

Capacity
71 MW
Primary fuel
Natural Gas
County
Capitol Planning Region
Operator
ALGONQUIN WINDSOR LOCKS LLC
Status
Operating
Commissioned
1990
EIA plant ID
10567
Generators
3
Technology
Natural Gas Fired Combined Cycle
Net generation (2024)
130 GWh
Capacity factor (2024, EIA nameplate)
21%
Data vintage
EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates
41.9227, -72.6255

See it on the map

ALGONQUIN WINDSOR LOCKS, a 71 MW Natural Gas power plant in Capitol Planning Region, Connecticut. Operated by ALGONQUIN WINDSOR LOCKS LLC, commissioned 1990.

How ALGONQUIN WINDSOR LOCKS compares

With 71 MW of capacity, ALGONQUIN WINDSOR LOCKS ranks 17th among the 68 operating power plants Bywatts maps in Connecticut and 8th of the 13 operating Natural Gas plants in the state. It accounts for about 2.1% of Connecticut's operating Natural Gas capacity and 0.8% of all operating capacity in the state. Nationally it is the 747th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1990, it is older than 57% of the 66 operating Connecticut plants with a recorded commissioning year. It shares Capitol Planning Region with 9 other operating plants, including PRATT & WHITNEY and UCONN COGEN FACILITY.

EIA-860 lists 3 generators at the site with 71 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 130 GWh in 2024 (a 21% capacity factor), down 3% from 2022. Its generators came online between 1990 and 2012.

Grid neighborhood

The nearest named substation is WINDSOR LOCKS, about 0.3 miles away; the closest transmission line found within 10 miles is a 115 kV line owned by CONNECTICUT LIGHT & POWER CO, about 0.3 miles away. Another 32 operating power plants totaling 1,316 MW sit within 25 miles; the largest is STONY BROOK (535 MW, Natural Gas).

Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology

Weather peril exposure

ALGONQUIN WINDSOR LOCKS is a 71 MW natural gas power plant in Capitol Planning Region, CT, operated by ALGONQUIN WINDSOR LOCKS LLC, commissioned in 1990. Capitol Planning Region carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.5 of 5 at the 13th national percentile. Riverine flooding is the leading peril, rated Relatively High by FEMA at the 78th percentile.

The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.

1.5 of 5Modeled catastrophe exposure
LowExposure band
Riverine floodingLeading peril
Relatively HighFEMA county risk rating

Capitol Planning Region hazard ratings

PerilFEMA ratingNational percentilePeril scoreEvents per year
Riverine floodingRelatively High78th4.1 of 53.5
HurricaneRelatively High72nd3.9 of 50.15
EarthquakeRelatively Moderate61st3.4 of 5<0.01
Ice stormVery High50th3.0 of 52.5
Coastal floodingVery Low36th2.4 of 53.7
TornadoRelatively High26th2.0 of 50.33
WildfireVery Low26th2.0 of 5<0.01
HailRelatively Moderate22nd1.9 of 52.6
Winter weatherRelatively High17th1.7 of 515.9
Heat waveRelatively Moderate9th1.4 of 56.7
LightningRelatively High8th1.3 of 526.5
Strong windRelatively Moderate4th1.2 of 52.2

Model hail, wind and flood exposure for Capitol Planning Region in the weather risk calculator

Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.

Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.