Both companies stressed the importance of the Pequonnock Substation's service to the electric grid that stretches from New York to Maine.

Officials say that this renovation will help UI's provide reliable electricity to the greater Bridgeport region.

The Avangrid CEO says that this new facility will solve a lot of issues .

"This basically replaces a very old one. With a lot of things now much better than before. We are actually anticipating no issues should there be hurricanes, as before we've had some issues. This is a Tier 1 technology opening today,” CEO Pedro Azagra said.

Executives say they hope to have the facility up and running very soon.