Deer Island Treatment Plant P-11412

General information

Waterway  Boston Harbor
Current status   Active 
Type of facility Conventional Hydro
Mode of hydropower generation Canal/Conduit
Type of permit FERC Exemption

FERC information

FERC docket # P-11412
FERC project name Deer Island
Permit issued 11/4/93

Ownership and operation

Owner Massachusetts Wtr RAuth-Deer I
Owner type State
Year first online (conventional hydro) 2001
Transmission or distribution system owner NSTAR Electric Company

Power and generating capacity

Number of units 2
Total capacity from hydraulic turbine-generator units within each plant 2.0 mW
Average annual net hydropower generation 5,847.2 mWH

News and updates

From California Trout11/22/2021

Update: Potter Valley Project on the Eel River

From Idaho Rivers United11/17/2021

What happens to fish populations when dams are removed?

See all news and updates