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Profile
New York power
Produced 0.5 gigawatt-hours of electricity in 2024 — enough electricity for about 53 homes for a year.*
Air quality & health in Rockland County
Rockland County has a population of 340,807. Across five conditions the American Lung Association tracks — childhood asthma, adult asthma, COPD, lung cancer, and cardiovascular disease — it reports a combined 64,981 cases in the county.
The county received a grade of C for ozone pollution. No particle pollution grade is available.
Federal monitoring recorded 226 days of good air quality and 41 moderate days in the county over the most recent year, with 6 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 the Hillburn plant in Rockland County ranks #94 of 100 by 2024 electricity produced. It is a natural gas fired combustion turbine, which works like a jet engine that burns gas to spin a generator. It has operated since 1972 and has a capacity of 46.5 MW, the most power it can deliver at one moment.
In 2024 it produced 0.5 gigawatt-hours, a unit for measuring electricity over time, which is about 53 homes’ worth of yearly electricity. Plants like this are often called on during busy stretches, so their output varies. Alliance NYGT, LLC owns it, and Orange & Rockland serves the area.
Generation profile
The plant can produce 46 megawatts of electricity at once, across 1 generating unit. In 2024 it produced 0.5 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
Hillburn sits in Rockland County, close to the river village of Nyack and the Palisades along the Hudson. Bear Mountain and Harriman state parks spread across the county’s north, popular for hiking and views.
Local school district
Suffern Central 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.
