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Profile
New York power
Produced 0.4 gigawatt-hours of electricity in 2024 — enough electricity for about 35 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 46 oil-fired plants in this category, and Shoreham, in Wading River, ranks #12 of 46 by 2024 electricity produced. It has been running since 1966 and burns distillate fuel oil, a light, refined liquid fuel. Two generators, the machines that turn fuel into electricity, give it a capacity of 71.5 MW, a measure of the most power it can deliver at once.
In 2024 it produced 0.4 gigawatt-hours, a gigawatt-hour being a large unit of electricity, which is about 35 homes’ worth of yearly use. Owned by National Grid Generation LLC, it plays a modest supporting role for the regional grid.
Generation profile
The plant can produce 72 megawatts of electricity at once, across 2 generating units. In 2024 it produced 0.4 gigawatt-hours in total, which works out to about 0% of what it could have produced running flat out all year — the pattern of a plant that runs only during periods of high demand.
Nearby places worth exploring
Wading River sits on Long Island’s North Shore in Suffolk County. The county is home to Stony Brook University, the beaches of Fire Island, and the North Fork wine country. Farther east are the Hamptons and Montauk Point.
Local school district
Shoreham-Wading River 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.
