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Profile
New York power
Produced 12.3 gigawatt-hours of electricity in 2024 — enough electricity for about 1,200 homes for a year.*
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
New York has 100 natural gas plants in this category, and Regeneron Tarrytown, on Old Saw Mill Road in Westchester County, ranks #80 of 100 by 2024 electricity produced. It is a small installation owned by Bloom Energy, with one generator rated at 1.5 MW (a megawatt is a measure of how much power a plant can deliver at one moment) and running since 2018.
In 2024 it produced 12.3 gigawatt-hours (a gigawatt-hour is a large block of electricity, counted over a stretch of time), enough for about 1,200 homes. It ran at a 93 percent capacity factor (the share of its maximum possible output it actually delivered), so it operates almost steadily. Its fuel is natural gas, and Con Edison serves the area.
Generation profile
The plant can produce 2 megawatts of electricity at once, across 1 generating unit. In 2024 it produced 12.3 gigawatt-hours in total, which works out to about 93% 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
Tarrytown and neighboring Sleepy Hollow are classic Hudson River towns with riverfront views and walkable main streets. Rockefeller State Park Preserve is a well-known spot for walking and open space nearby, while White Plains and Yonkers serve as larger urban centers in the county. Playland amusement park in Rye is another familiar Westchester destination.
Local school district
Pocantico Hills Central School District
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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.
