19th largest plant in Connecticut · 3163rd nationally
Algonquin Windsor Locks is a natural gas power plant in Connecticut with a nameplate capacity of 71.0 MW. It generates roughly 115.8k MWh per year — enough to power about 11,030 average U.S. homes.
Its capacity factor of 19% reflects intermittent or peaking operation. At 37 lb CO₂/MWh, its emission rate sits below the national grid average of roughly 800 lb/MWh.
Ghost bars are each month's theoretical maximum (71.0 MW nameplate × hours in the month). Filled bars are actual net generation reported to EIA Form 923. The gap between them is capacity factor made visible.
| Plant Name | Algonquin Windsor Locks |
|---|---|
| Operator | Ahlstrom Power Windsor Locks Llc |
| City | Windsor Locks |
| County | Hartford County |
| State | Connecticut |
| ZIP | 06096 |
| Coordinates | 41.92270, -72.62550 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GTG | Natural Gas Fired Combined Cycle | Natural Gas | 40.0 MW | Operating | 1990 |
| STG | Natural Gas Fired Combined Cycle | Natural Gas | 16.0 MW | Operating | 1990 |
| GTG2 | Natural Gas Fired Combined Cycle | Natural Gas | 15.0 MW | Operating | 2012 |
| CO₂ | 2.1k metric tons |
|---|---|
| NOₓ | 2 metric tons |
| CO₂ Rate | 37 lb/MWh |
Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.
| NERC Region | NPCC |
|---|---|
| Balancing Authority | Iso New England Inc. |
Natural gas plants are the workhorse of the modern grid. Combined-cycle units achieve very high efficiency and can ramp up and down quickly to balance variable renewables. They emit roughly half the CO₂ per MWh of coal and far less of other pollutants, but they still release upstream methane during fuel extraction.