32 plants · 2.1 GW total capacity
Hydroelectric generation in Massachusetts includes 32 plants with 2.1 GW total capacity.
Largest is Northfield Mountain (1168 MW Hydro); oldest active is Cabot Holyoke (1893); newest is Glendale Hydroelectric Project (1995); top owner is City of Holyoke Gas and Elec Dept - (MA) (6 plants).