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New York power
This facility is kept available as backup capacity rather than run continuously. It reported 12 MWh sent to the grid in 2024.
Air quality & health in Westchester County
Westchester County has a population of 990,817. Across five conditions the American Lung Association tracks — childhood asthma, adult asthma, COPD, lung cancer, and cardiovascular disease — it reports a combined 205,615 cases in the county.
The county received a grade of D for ozone pollution. No particle pollution grade is available.
Federal monitoring recorded 215 days of good air quality and 53 moderate days in the county over the most recent year, with 5 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
Montefiore Mount Vernon Hospital’s backup power system is one of 46 oil-fired plants in New York, and it ranks #38 of 46 by 2024 electricity produced. It sits at 12 North 7th Avenue in Mount Vernon, Westchester County, and has been running since 1976.
It has two generators with a combined capacity of 1.1 MW. A megawatt (MW) is a measure of how much power a plant can supply at one moment. They burn distillate fuel oil, a light petroleum fuel, and exist for availability rather than output: ready to keep the hospital powered if the regular supply is interrupted.
Nearby places worth exploring
Mount Vernon sits just north of the Bronx, with White Plains and Yonkers as nearby urban centers in Westchester County. Farther along the Hudson River are the riverfront towns of Tarrytown and Sleepy Hollow. Rockefeller State Park Preserve and Playland amusement park in Rye are well-known county destinations.
Local school district
New York City Department Of Education
Common questions
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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.


