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New York power
Generates renewable electricity from the St Regis River, supporting New York communities and producing enough electricity for about 2,900 homes for a year.*
Air quality & health in St. Lawrence County
St. Lawrence County has a population of 106,940. Across five conditions the American Lung Association tracks — childhood asthma, adult asthma, COPD, lung cancer, and cardiovascular disease — it reports a combined 22,121 cases in the county.
No ozone or particle pollution grades are available for this county in the most recent report. The figures above describe how many residents live with conditions sensitive to air quality — not measured pollution levels.
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 renewable energy facility
New York has 142 hydropower plants in this category, and Allens Falls, in Parishville, ranks #41 of 142 by 2024 electricity produced. It sits on the St Regis River and has been operating since 1927. Hydropower, simply put, means using flowing water to spin a generator and make electricity.
In 2024 the plant produced 29.5 gigawatt-hours, which is enough for about 2,900 homes. A gigawatt-hour is a way of counting a large amount of electricity over time. Its single generator has a capacity of 4.0 MW, meaning the most it can produce at one moment, and it ran at 84 percent of that over the year.
Environmental impact
Produces electricity without burning fuel, which avoids roughly 11,000 metric tons of carbon dioxide a year compared with producing the same electricity from the national mix of power sources — about the same as not using about 28,000 barrels of oil.*
Nearby places worth exploring
Parishville sits in St. Lawrence County, in the northern foothills of the Adirondacks. Nearby, the college towns of Canton and Potsdam are home to St. Lawrence University, SUNY Canton, Clarkson University, and SUNY Potsdam, and the St. Lawrence River frames the county.
Local school district
Parishville-Hopkinton 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.
