The United Illuminating Company

Electric utility in Connecticut

For business

About The United Illuminating Company

Based in Orange, Connecticut, The United Illuminating Company acts as the utility that handles electricity transmission and distribution for the Bridgeport and New Haven areas of the state, along the shoreline of Long Island Sound. UI, a subsidiary of Avangrid (NYSE: AGR), is the smaller of Connecticut’s two electric utilities.

Established in 1899, UI purchases, transmits, distributes and sells electricity and related services to approximately 335,000 residential, commercial, and industrial customers in across 335 square miles in the region it serves, which encompasses  17 Connecticut towns and cities.

UI serves these cities:

Ansonia Fairfield North Haven West Haven
Bridgeport Hamden Orange Woodbridge
Derby Milford Shelton
East Haven New Haven Stratford
Easton North Branford Trumbull

What is United Illuminating's price to compare?

The Price to Compare is the default rate for electricity supply provided through your utility. It provides a measure of cost and plan comparisons between the utility and the rates and plans offered by suppliers. 

United Illuminating’s residential rate currently runs at 8.5218¢/kWh.

Enter your ZIP code above and use our tools to see if you can get a better deal.

What’s the difference between a utility and a supplier?

Utility companies deliver the electricity you use to your home. Utilities also maintain the infrastructure through which the electricity travels to get to your home and also send you a bill for your usage. In Connecticut, they also can be suppliers.

Suppliers either buy or generate electricity. Either way, that electricity is delivered to your home by a utility company.

With multiple energy suppliers, consumers gain benefit through price and plan competition. UI suppliers include:

How to contact United Illuminating

If you have an outage or spot damage to lines, you should contact United Illuminating directly. Here’s how:

  • Report outages by using their online form
  • Report electrical emergencies like downed power lines or damaged electrical equipment by calling 1-800-722-5584.

Updated: 8/12/2020