Stewarts Bridge

Hydro power plant in New York, United States of America. Approximate location 43.2978, -73.8853.

HydroNew YorkUnited States of America

Stewarts Bridge is a 38 MW hydro power plant in New York, United States of America. It is operated by Erie Boulevard Hydropower LP. Based on reported annual generation of 186 GWh, it can supply roughly 53,285 homes. It ranks #3059 of 9,833 United States of America power plants by installed capacity. Commissioned in 1955, it is around 71 years old — an older, legacy facility. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 5.3% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

38MW installed capacity
186GWh reported / yr
53,285homes powered
1955commissioned (~71 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0002614.

Reported generation trend

2013: 112 GWh20132014: 133 GWh20142015: 103 GWh20152016: 100 GWh20162017: 159 GWh20172018: 125 GWh20182019: 186 GWh2019186 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Erie Boulevard Hydropower LP. All plants by this company →

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 43.3°N — which shapes how much energy it can produce and how its output varies through the year.

6.5°Cannual mean temp
4,238heating degree-days (base 18°C)
72cooling degree-days (base 18°C)
372 melevation

Monthly mean temperature

J: -8 °CJF: -6 °CFM: -1 °CMA: 6 °CAM: 12 °CMJ: 17 °CJJ: 20 °CJA: 19 °CAS: 14 °CSO: 8 °CON: 2 °CND: -4 °CD20 °C

Heating degree-days here run 72% above the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 87/100 — this site sits in the top third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

How it compares & nearby plants

The #351 largest hydro power plant of 1449 in United States of America by capacity.

United States of America has 1449 hydro power plants in this dataset, together about 101,657 MW of capacity.

Nearby power plants

Location

Coordinates 43.2978, -73.8853 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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