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Profile
New York power
Produced 21.6 gigawatt-hours of electricity in 2024 — enough electricity for about 2,200 homes for a year.*
Air quality & health in Bronx County
Bronx County has a population of 1,356,476. Across five conditions the American Lung Association tracks — childhood asthma, adult asthma, COPD, lung cancer, and cardiovascular disease — it reports a combined 262,741 cases in the county.
The county received a grade of F for ozone pollution. For particle pollution — the fine soot and dust that can be breathed deep into the lungs — it received a grade of D.
Federal monitoring recorded 155 days of good air quality and 111 moderate days in the county over the most recent year, with 8 days rated unhealthy for sensitive groups.
Long-term exposure to air pollution has been linked to certain health conditions, particularly for children and older adults. Where electricity comes from affects how much combustion pollution is produced on the grid.
These figures describe the county as a whole and are not specific to this facility. Sources: American Lung Association – State of the Air (New York); U.S. EPA Air Quality Index.
The story behind this New York power plant
New York has 100 natural gas plants in this category, and the one at the Bronx Zoo ranks #66 of 100 by 2024 electricity produced. It runs four natural gas internal combustion engines, which work much like a car engine, burning fuel in cylinders to spin a generator. Together they can produce 3.6 MW, a measure of the most power the plant can deliver at one moment.
Since 1991, the plant has been owned by the New York Zoological Society. In 2024 it generated 21.6 gigawatt-hours, a unit for large amounts of electricity, which is about 2,200 homes’ worth. That works out to roughly 68 percent of what it could produce if it ran flat out all year.
Generation profile
The plant can produce 4 megawatts of electricity at once, across 4 generating units. In 2024 it produced 21.6 gigawatt-hours in total, which works out to about 68% of what it could have produced running flat out all year — the pattern of a plant that runs through much of the year.
Nearby places worth exploring
The Bronx Zoo and the New York Botanical Garden are both in the borough, and Pelham Bay Park offers wide-open green space along the water. Yankee Stadium and Fordham University are also in the Bronx.
Local school district
New York City Department Of Education
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* Homes-powered and emissions comparisons are annual estimates based on national averages from the U.S. Energy Information Administration. “Homes powered” describes a quantity of electricity, not direct service to specific households. How we calculate this.


