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New York power
This facility is kept available as backup capacity rather than run continuously. It reported 15 MWh sent to the grid in 2024.
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
Out of the 46 oil-fired plants in New York, the Greenport plant in Suffolk County ranks #35 by electricity produced in 2024. It’s owned by the Village of Greenport and has been running since 1957.
This is a standby plant, meaning it exists to be available when needed rather than to run all the time. It has 3 generators and a capacity of 6.8 MW. Capacity is the most power a plant can send out at one moment. In 2024 it produced 15 MWh, a small amount of electricity. It burns distillate fuel oil, a refined petroleum liquid.
Nearby places worth exploring
Greenport sits on the North Fork of Long Island’s East End, a part of Suffolk County known for its wine country. The county also includes Montauk Point, the Hamptons, and the beaches of Fire Island. Stony Brook University is another well-known landmark in Suffolk County.
Local school district
Greenport Union Free School District
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.


