About this project:
United Illuminating has an ongoing program to upgrade aging
infrastructure to provide a modern electric grid that is resilient
against storms and delivers the safe, reliable service that
As part of this effort, UI will begin work to decommission the
67-year-old Tunxis Substation in Fairfield in May of 2019.
In addition to removing the substation from service, this project
will upgrade the circuits it serves from the current 4,160 volts
to 13,800 volts, which is a standard voltage for modern electric
distribution circuits. The will require UI to replace or modify
electric lines, poles and other infrastructure in the neighborhoods
currently served by Tunxis Substation.