💧 Hydroelectric Power Plants in New York
New York operates 169 hydroelectric power plants totaling 5,924 MW of nameplate capacity. Annual generation: 28.4M MWh.
Hydroelectric plants spin turbines using falling or flowing water — typically from a dam-impounded reservoir. They are dispatchable, long-lived, and emission-free at the point of generation, though large reservoirs can disrupt rivers and ecosystems and methane can be released from flooded vegetation.
Plants169operating
Capacity5,923 MWnameplate
Generation28.4M MWhannual
All New York hydroelectric plants
| Plant | City | County | Capacity | Operator |
|---|---|---|---|---|
| Robert Moses Niagara | Lewiston | Niagara County | 2,429 MW | New York Power Authority |
| Blenheim Gilboa | Gilboa | Schoharie County | 1,000 MW | New York Power Authority |
| Robert Moses Power Dam | Massena | St Lawrence County | 912 MW | New York Power Authority |
| Lewiston Niagara | Lewiston | Niagara County | 240 MW | New York Power Authority |
| Curtis Palmer Hydroelectric | Corinth | Saratoga County | 59 MW | Palmer Hydroelectric |
| Spier Falls | Gansevoort | Saratoga County | 56 MW | Erie Boulevard Hydropower Lp |
| Hudson Falls Hydroelectric Project | South Glens Falls | Saratoga County | 44 MW | Boralex Hydro Operations Inc |
| Rochester 5 | Rochester | Monroe County | 44 MW | Rochester Gas & Electric Corp |
| School Street | Cohoes | Albany County | 39 MW | Erie Boulevard Hydropower Lp |
| Stewarts Bridge | Corinth | Saratoga County | 39 MW | Erie Boulevard Hydropower Lp |
| Sherman Island | Queensbury | Saratoga County | 36 MW | Erie Boulevard Hydropower Lp |
| Bennetts Bridge | Altmar | Oswego County | 36 MW | Erie Boulevard Hydropower Lp |
| Glen Park Hydroelectric Project | Watertown | Jefferson County | 33 MW | Eagle Creek Renewable Energy, Llc |
| Colton | Pierrepont | St Lawrence County | 30 MW | Erie Boulevard Hydropower Lp |
| Stark | Colton | St Lawrence County | 26 MW | Erie Boulevard Hydropower Lp |
| Neversink | Grahmsville | Sullivan County | 25 MW | New York Power Authority |
| Rainbow Falls Hydro | Parishville | St Lawrence County | 25 MW | Erie Boulevard Hydropower Lp |
| Five Falls | Colton | St Lawrence County | 24 MW | Erie Boulevard Hydropower Lp |
| E J West | Lake Luzerne | Saratoga County | 22 MW | Erie Boulevard Hydropower Lp |
| Trenton Falls | Barneveld | Oneida County | 22 MW | Erie Boulevard Hydropower Lp |
| South Colton | Colton | St Lawrence County | 21 MW | Erie Boulevard Hydropower Lp |
| Beardslee | Little Falls | Herkimer County | 20 MW | Erie Boulevard Hydropower Lp |
| Prospect | Prospect | Oneida County | 19 MW | Erie Boulevard Hydropower Lp |
| Grahamsville | Grahamsville | Sullivan County | 18 MW | New York Power Authority |
| Upper Mechanicville | Town Of Stillwater | Saratoga County | 16 MW | New York State Elec & Gas Corp |
| Browns Falls | Oswegatchie | St Lawrence County | 16 MW | Erie Boulevard Hydropower Lp |
| Schaghticoke | Schaghticoke | Rensselaer County | 16 MW | Erie Boulevard Hydropower Lp |
| Soft Maple | Croghan | Lewis County | 16 MW | Erie Boulevard Hydropower Lp |
| High Falls - Saranac Ny | Town Of Saranac | Clinton County | 15 MW | New York State Elec & Gas Corp |
| Blake | Parishville | St Lawrence County | 15 MW | Erie Boulevard Hydropower Lp |
| Sturgeon | Tillson | Ulster County | 14 MW | Central Hudson Gas & Elec Corp |
| South Glens Falls Hydroelectric | South Glens Falls | Saratoga County | 14 MW | Boralex Hydro Operations Inc |
| Little Falls Hydro | Little Falls | Herkimer County | 13 MW | Eagle Creek Renewable Energy, Llc |
| Moose River | Lyons Falls | Lewis County | 13 MW | Eony Generation Limited |
| Kent Falls | Town Of Schuylerfalls | Clinton County | 12 MW | New York State Elec & Gas Corp |
| Deferiet | Deferiet | Jefferson County | 12 MW | Erie Boulevard Hydropower Lp |
| High Dam | Oswego | Oswego County | 12 MW | Oswego City Of |
| Brookfield Power Glen Falls Hydro | Glen Falls | Warren County | 12 MW | Erie Boulevard Hydropower Lp |
| Crescent | Crescent | Albany County | 12 MW | New York Power Authority |
| Vischer Ferry | Rexford | Saratoga County | 12 MW | New York Power Authority |
| New York State Dam Hydro | Waterford | Saratoga County | 11 MW | Boralex Hydro Operations Inc |
| Rio | Glen Spey | Sullivan County | 11 MW | Eagle Creek Renewable Energy, Llc |
| Dahowa Hydro | Greenwich | Washington County | 11 MW | Gr Catalyst Two Llc |
| Granby | Fulton | Oswego County | 10 MW | Erie Boulevard Hydropower Lp |
| Minetto | Minetto | Oswego County | 10 MW | Erie Boulevard Hydropower Lp |
| Jarvis (Hinckley) | Hinckley | Oneida County | 9 MW | New York Power Authority |
| Beebee Island Hydro Plant | Watertown | Jefferson County | 9 MW | Erie Boulevard Hydropower Lp |
| Rochester 2 | Rochester | Monroe County | 9 MW | Rochester Gas & Electric Corp |
| Pyrites Plant | Pyrites | St Lawrence County | 8 MW | Central Rivers Power Us, Llc |
| Watertown | Watertown | Jefferson County | 8 MW | City Of Watertown - (Ny) |
| Lighthouse Hill | Altmar | Oswego County | 8 MW | Erie Boulevard Hydropower Lp |
| Moshier | Lowville | Herkimer County | 8 MW | Erie Boulevard Hydropower Lp |
| Varick | Oswego | Oswego County | 8 MW | Erie Boulevard Hydropower Lp |
| Swinging Bridge 2 | Forestburgh | Sullivan County | 8 MW | Eagle Creek Renewable Energy, Llc |
| West Delaware Tunnel Plant | Grahamsville | Sullivan County | 8 MW | Erie Boulevard Hydropower Lp |
| Mongaup Falls | Forestburgh | Sullivan County | 7 MW | Eagle Creek Renewable Energy, Llc |
| Hannawa | Pierrepont | St Lawrence County | 7 MW | Erie Boulevard Hydropower Lp |
| Lower Saranac Hydroelectric Facility | Plattsburgh | Clinton County | 7 MW | Central Rivers Power Us, Llc |
| Black River | Black River | Jefferson County | 6 MW | Erie Boulevard Hydropower Lp |
| Eagle | Croghan | Lewis County | 6 MW | Erie Boulevard Hydropower Lp |
| High Falls - Croghan Ny | Croghan | Lewis County | 6 MW | Erie Boulevard Hydropower Lp |
| Higley | Colton | St Lawrence County | 6 MW | Erie Boulevard Hydropower Lp |
| Inghams | Little Falls | Fulton County | 6 MW | Erie Boulevard Hydropower Lp |
| Kamargo | Black River | Jefferson County | 6 MW | Erie Boulevard Hydropower Lp |
| Oswego Falls East | Fulton | Oswego County | 6 MW | Erie Boulevard Hydropower Lp |
| Mill C | Town Of Plattsburgh | Clinton County | 6 MW | New York State Elec & Gas Corp |
| Stuyvesant Falls | Stuyvesant | Columbia County | 6 MW | Albany Engineering Corporation |
| Green Island Hydroelectric Station | Green Island | Albany County | 6 MW | Albany Engineering Corporation |
| Black River Hydro Associates | Port Layden | Lewis County | 6 MW | Central Rivers Power Us, Llc |
| Lyons Falls Hydroelectric | Lyons Falls | Lewis County | 6 MW | Northbrook Lyons Falls Llc |
| Cadyville | Town Ofschuyler Falls | Clinton County | 6 MW | New York State Elec & Gas Corp |
| Herrings | Carthage | Jefferson County | 5 MW | Erie Boulevard Hydropower Lp |
| Lachute Hydro Upper | Ticonderoga | Essex County | 5 MW | Central Rivers Power Us, Llc |
| Seneca Falls Hydroelectric Project | Seneca Falls | Seneca County | 5 MW | C-S Canal Hydro, Llc |
| Flat Rock | Fine | St Lawrence County | 5 MW | Erie Boulevard Hydropower Lp |
| Norfolk | Norfolk | St Lawrence County | 5 MW | Erie Boulevard Hydropower Lp |
| Dolgeville Hydro | Dolgeville | Herkimer County | 5 MW | Eony Generation Limited |
| Feeder Dam Hydro Plant | S. Glen Falls | Saratoga County | 5 MW | Erie Boulevard Hydropower Lp |
| Fort Miller Hydroelectric Facility | Northumberland | Saratoga County | 5 MW | Fort Miller Associates |
| Dashville | Dashville | Ulster County | 5 MW | Central Hudson Gas & Elec Corp |
| Ashokan | Kingston | Ulster County | 5 MW | New York Power Authority |
| West End Dam Hydroelectric Project | Carthage | Jefferson County | 4 MW | Relevate Power Management Llc |
| Dexter Plant | Dexter | Jefferson County | 4 MW | Central Rivers Power Us, Llc |
| Allens Falls | Parishville | St Lawrence County | 4 MW | Erie Boulevard Hydropower Lp |
| Ephratah | Saint Johnsville | Fulton County | 4 MW | Erie Boulevard Hydropower Lp |
| East Norfolk | Norfolk | St Lawrence County | 4 MW | Erie Boulevard Hydropower Lp |
| Johnsonville Dam | Johnsonville | Rensselaer County | 4 MW | Erie Boulevard Hydropower Lp |
| South Edwards | Fine | St Lawrence County | 4 MW | Erie Boulevard Hydropower Lp |
| Sugar Island | Potsdam | St Lawrence County | 4 MW | Erie Boulevard Hydropower Lp |
| Taylorville | Croghan | Lewis County | 4 MW | Erie Boulevard Hydropower Lp |
| Waterport | Waterport | Orleans County | 4 MW | Erie Boulevard Hydropower Lp |
| Mechanicville Hydroelectric Station | Mechanicville | Saratoga County | 4 MW | Mechanicville Hydroelectric Station |
| Lachute Hydro Lower | Ticonderoga | Essex County | 4 MW | Central Rivers Power Us, Llc |
| Philadlephia | Village Of Philadelph | Jefferson County | 4 MW | Eony Generation Limited |
| Ogdensburg | Ogdensburg | St Lawrence County | 4 MW | Ampersand Ogdensburg Hydro, Llc |
| Hampshire Paper | Gouverneur | St Lawrence County | 3 MW | Hampshire Paper Co Inc |
| Forestport | Forestport | Oneida County | 3 MW | Clear Energy Capital, Llc |
| Stillwater Hydro Electric Project | Stillwater | Saratoga County | 3 MW | Gr Catalyst One, Llc |
| Fourth Branch Hydroelectric Facility | Waterford | Saratoga County | 3 MW | Albany Engineering Corporation |
| Copenhagen Plant | Copenhagen | Lewis County | 3 MW | Central Rivers Power Us, Llc |
| Longfalls Facility | West Carthage | Jefferson County | 3 MW | Ampersand Long Falls Hydro, Llc |
| High Falls | High Falls | Ulster County | 3 MW | Central Hudson Gas & Elec Corp |
| Phoenix Hydro Project | Phoenix | Oswego County | 3 MW | Eagle Creek Renewable Energy, Llc |
| Chasm | Malone | Franklin County | 3 MW | Erie Boulevard Hydropower Lp |
| Effley | Croghan | Lewis County | 3 MW | Erie Boulevard Hydropower Lp |
| Hydraulic Race | Lockport | Niagara County | 3 MW | Erie Boulevard Hydropower Lp |
| Oswego Falls West | Fulton | Oswego County | 3 MW | Erie Boulevard Hydropower Lp |
| Parishville | Parishville | St Lawrence County | 3 MW | Erie Boulevard Hydropower Lp |
| Rochester 26 | Rochester | Monroe County | 3 MW | Rochester Gas & Electric Corp |
| Sissonville Hydro | Potsdam | St Lawrence County | 3 MW | Boralex Hydro Operations Inc |
| Mt Ida Hydroelectric | Troy | Rensselaer County | 3 MW | Clear Energy Capital, Llc |
| Hewittville Hydroelectric | Norwood | St Lawrence County | 3 MW | Erie Boulevard Hydropower Lp |
| Unionville Hydro Project 2499 Ny | Norwood | St Lawrence County | 3 MW | Erie Boulevard Hydropower Lp |
| Lyonsdale Associates | Lyons Falls | Lewis County | 3 MW | Eagle Creek Renewable Energy, Llc |
| Warrensburg Hydroelectric | Warrensburg | Warren County | 3 MW | Boralex Hydro Operations Inc |
| Piercefield | Piercefield | St Lawrence County | 3 MW | Erie Boulevard Hydropower Lp |
| Rainbow Falls Auscble | Town Of Auscble | Clinton County | 3 MW | New York State Elec & Gas Corp |
| Union Falls | Au Sable Forks | Clinton County | 3 MW | Union Falls Hydro Power Lp |
| Eel Weir | Oswegatchie | St Lawrence County | 3 MW | Erie Boulevard Hydropower Lp |
| Valley Falls Hydroelectric Facility | Valley Falls | Rensselaer County | 3 MW | Valley Falls Associates |
| Walden | Walden | Orange County | 2 MW | Hydroland Omega Llc |
| Middle Falls Hydro | Middle Falls | Washington County | 2 MW | Boralex Hydro Operations Inc |
| Alice Falls Hydro Project | Keeseville | Clinton County | 2 MW | Eagle Creek Renewable Energy, Llc |
| Belfort | Croghan | Lewis County | 2 MW | Erie Boulevard Hydropower Lp |
| Elmer | Croghan | Lewis County | 2 MW | Erie Boulevard Hydropower Lp |
| Franklin (Ny) | Franklin | Franklin County | 2 MW | Erie Boulevard Hydropower Lp |
| Norwood | Norwood | St Lawrence County | 2 MW | Erie Boulevard Hydropower Lp |
| Raymondville | Norfolk | St Lawrence County | 2 MW | Erie Boulevard Hydropower Lp |
| Schuylerville | Schuylerville | Saratoga County | 2 MW | Erie Boulevard Hydropower Lp |
| Sewalls | Watertown | Jefferson County | 2 MW | Erie Boulevard Hydropower Lp |
| Yaleville | Norfolk | St Lawrence County | 2 MW | Erie Boulevard Hydropower Lp |
| Wappinger Falls Hydroelectric | Wappinger Falls | Dutchess County | 2 MW | Windsor Machinery Co Inc |
| Gouldtown | Lyonsdale | Lewis County | 2 MW | Northbrook Lyons Falls Llc |
| Carver Falls | Hampton | Washington County | 2 MW | Green Mountain Power Corp |
| Cornell Hydro | Ithaca | Tompkins County | 2 MW | Cornell Hydro |
| Diana Hydroelectric | Harrisville | Lewis County | 2 MW | Eony Generation Limited |
| Stillwater Reservoir Hydro | Webb | Herkimer County | 2 MW | Northern Power & Light |
| Oswegatchie | Edwards | St Lawrence County | 2 MW | Erie Boulevard Hydropower Lp |
| Victory Mills | Victory Mills | Cayuga County | 2 MW | Central Rivers Power Us, Llc |
| Chateaugay High Falls Hydro | Chateaugay | Franklin County | 2 MW | Hydroland Omega Llc |
| Newport Hydro | Newport | Herkimer County | 2 MW | Eagle Creek Renewable Energy, Llc |
| Kings Falls Hydroelectric | Copenhagen | Lewis County | 2 MW | Silverstreet Hydro |
| Chasm Hydro Partnership | Chateaugay | Franklin County | 2 MW | Ampersand Chasm Hydro Llc |
| Herkimer | Herkimer | Herkimer County | 2 MW | Ecosponsible Llc |
| Glenwood Hydro | Medina | Orleans County | 2 MW | Erie Boulevard Hydropower Lp |
| Upper Beaver Falls Project | Beaver Falls | Lewis County | 2 MW | Eagle Creek Renewable Energy, Llc |
| Tannery Island Power | Carthage | Jefferson County | 2 MW | Relevate Power Management Llc |
| Upper Newton Falls | Newton Falls | St Lawrence County | 2 MW | Erie Boulevard Hydropower Lp |
| Waterloo Hydroelectric Project | Waterloo | Seneca County | 2 MW | C-S Canal Hydro, Llc |
| Hailesboro 4 Plant | Hailesboro | St Lawrence County | 1 MW | Central Rivers Power Us, Llc |
| Goodyear Lake Plant | Oneonta | Otsego County | 1 MW | Hydroland Omega Llc |
| Fulton Hydro | Fulton | Oswego County | 1 MW | Erie Boulevard Hydropower Lp |
| Theresa Plant | Theresa | Jefferson County | 1 MW | Central Rivers Power Us, Llc |
| Diamond Island Plant | Watertown | Jefferson County | 1 MW | Central Rivers Power Us, Llc |
| Normanskill Hydro Project | Guilderland | Albany County | 1 MW | Watervliet City Of |
| Talcville | Edwards | St Lawrence County | 1 MW | Erie Boulevard Hydropower Lp |
| Center Falls | Greenwich | Washington County | 1 MW | Hollingworth & Vose Co Center Falls |
| Heuvelton | Village Of Heuvelton | St Lawrence County | 1 MW | Erie Boulevard Hydropower Lp |
| Macomb | Malone | Franklin County | 1 MW | Erie Boulevard Hydropower Lp |
| Wiscoy 170 | Filmore | Allegany County | 1 MW | Rochester Gas & Electric Corp |
| Hollow Dam Power Partnership | Gouveneur | St Lawrence County | 1 MW | Ampersand Hollow Dam Hydro Llc |
| Port Leyden Hydroelectric Project | Port Leyden | Lewis County | 1 MW | Lyonsdale Hydroelectric Co., Inc. |
| Lower Beaver Falls Project | Beaver Falls | Lewis County | 1 MW | Eagle Creek Renewable Energy, Llc |
| Dunn Paper | Gouverneur | St Lawrence County | 1 MW | Biorigin Specialty Products |
| Kosterville | Lyonsdale | Lewis County | 1 MW | Northbrook Lyons Falls Llc |
| Mill Pond Hydro | Leeds | Greene County | 1 MW | Rivers Electric, Llc |
| Kensico | Valhalla | Westchester County | — | New York Power Authority |
| Keuka | Town Of Wayne | Steuben County | — | New York State Elec & Gas Corp |
| Swinging Bridge 1 | Forestburgh | Sullivan County | — | Eagle Creek Renewable Energy, Llc |