Nuclear power plant in New York, United States of America. Approximate location 42.1499, -73.9114.
NuclearNew YorkUnited States of Americapressurized water reactor
Greene County nuclear power plant is a 1,212 MW nuclear power station in New York, United States of America. It is operated by Power Authority of the State of New York [100%]. Based on its capacity (estimated), it can supply roughly 2.7 million homes (estimated). It ranks #515 of 10,938 United States of America power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, nuclear supplies about 17.4% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id GEM_nuc_greenecounty_unite.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.
capacity: GEM GNPT; fuel: GEM GNPT
At 1,212 MW, Greene County nuclear power plant is below the median nuclear plant in United States of America (1,917 MW). Technically it is described as pressurized water reactor. Nuclear plants split uranium to raise steam with no direct CO₂; they run as steady baseload with very high capacity factors and the longest operating lifetimes of any thermal plant.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by Power Authority of the State of New York [100%].
This nuclear plant uses heat from nuclear fission to raise steam for a turbine-generator. It sits in a hot-summer humid continental climate (Köppen Dfa) — Northern Hemisphere, latitude 42.1°N — which shapes how much energy it can produce and how its output varies through the year.
Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).
For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.
Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.
Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.
The #153 largest nuclear power plant of 230 in United States of America by capacity.
United States of America has 230 nuclear power plants in this dataset, together about 427,888 MW of capacity.
Coordinates 42.1499, -73.9114 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Greene County nuclear power plant is a 1,212 MW nuclear power plant in New York, United States of America.
Its output is enough to supply roughly 2,730,116 homes (estimated).
Greene County nuclear power plant is operated by Power Authority of the State of New York [100%].
