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Profile
New York power
Produced 55.6 gigawatt-hours of electricity in 2024 — enough electricity for about 5,600 homes for a year.*
Air quality & health in Suffolk County
Suffolk County has a population of 1,523,170. Across five conditions the American Lung Association tracks — childhood asthma, adult asthma, COPD, lung cancer, and cardiovascular disease — it reports a combined 316,289 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 A.
Federal monitoring recorded 235 days of good air quality and 76 moderate days in the county over the most recent year, with 3 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 SWM Fuel Cell in Yaphank, Suffolk County, ranks #45 of 100 by 2024 electricity produced. It began operating in 2021 and is owned by Yaphank Fuel Cell Park, LLC, with power delivered through PSEG Long Island.
A fuel cell makes electricity from natural gas through a chemical reaction instead of burning it. Its three generators have a capacity of 8.4 MW (megawatts, a measure of the most power it can supply at once). In 2024 it produced 55.6 gigawatt-hours (a unit of electricity output), which is about 5,600 homes’ worth of use.
Generation profile
The plant can produce 8 megawatts of electricity at once, across 3 generating units. In 2024 it produced 55.6 gigawatt-hours in total, which works out to about 76% 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
Yaphank sits in central Suffolk County on Long Island. Stony Brook University is also in the county, and Fire Island’s beaches are a short trip away. Farther east are the Hamptons, Montauk Point, and the North Fork wine country.
Local school district
South Country 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.
