Greenwich Substation and Line Project

The Greenwich substation and Line Project is a planned construction of a new Greenwich substation as well as two new 115-kV underground transmission lines. The new lines will travel approximately 2.3 miles to connect to the existing Cos Cob substation.

Project Sponsor Line Miles Voltage (kV) From State To State Year in Service
Eversource Energy 2.3 115 CT CT 2019
Estimated Costs ($M) Voltage Type Project Status Project Group Origin Point Destination Point
140 Planned Greenwich Cos Cob
Interstate Build Start NERC ISO/RTO Country Project Partners
2018 NPCC ISONE US