NYISO power plants by county

Every county in NYISO with at least 3 EIA-registered power plants — 60 in total, ranked by installed nameplate capacity.

Counties
60
At least 3 plants each
Plants covered
1,029
EIA-registered records
Nameplate capacity
42.9 GW
Sum across listed counties

Counties by installed capacity

1Oswego County, NY6 GW2Queens County, NY5.2 GW3Suffolk County, NY4.3 GW4Niagara County, NY3 GW5Orange County, NY2.7 GW6Albany County, NY1.5 GW7Nassau County, NY1.4 GW8Dutchess County, NY1.4 GW9Rockland County, NY1.3 GW10St Lawrence County, NY1.3 GW11Greene County, NY1.3 GW12Kings County, NY1.1 GW13Schoharie County, NY1.1 GW14Richmond County, NY995.9 MW15Rensselaer County, NY940.2 MW16Clinton County, NY840.1 MW17New York County, NY809.9 MW18Lewis County, NY777 MW19Wayne County, NY636.3 MW20Saratoga County, NY554 MW21Wyoming County, NY533.7 MW22Chautauqua County, NY480 MW23Steuben County, NY454.8 MW24Onondaga County, NY345.1 MW25Monroe County, NY281.1 MW26Jefferson County, NY255.5 MW27Bronx County, NY253.8 MW28Franklin County, NY230.1 MW29Oneida County, NY218.6 MW30Livingston County, NY217.6 MW31Erie County, NY211.5 MW32Broome County, NY188.3 MW33Montgomery County, NY171.4 MW34Yates County, NY135.6 MW35Cattaraugus County, NY133.4 MW36Herkimer County, NY132.5 MW37Allegany County, NY126.9 MW38Sullivan County, NY122.8 MW39Genesee County, NY115.7 MW40Tompkins County, NY114.7 MW41Madison County, NY112.8 MW42Westchester County, NY91.9 MW43Ulster County, NY82.8 MW44Essex County, NY77.8 MW45Tioga County, NY75.8 MW46Ontario County, NY70.8 MW47Fulton County, NY68.5 MW48Schenectady County, NY68.2 MW49Cortland County, NY65 MW50Washington County, NY64.4 MW51Warren County, NY46.2 MW52Cayuga County, NY44.2 MW53Columbia County, NY42.8 MW54Seneca County, NY40.2 MW55Orleans County, NY39 MW56Schuyler County, NY28.6 MW57Chenango County, NY28.3 MW58Chemung County, NY21.5 MW59St. Lawrence County, NY17.1 MW60Otsego County, NY13.1 MW

County and state assignment come from the EIA generator inventory. Counties below the 3-plant threshold are covered on the full asset directory.