United Illuminating, Ct.

Browse the best UI electricity rates for your home or business! Search by zip code below to learn more…

The United Illuminating Company

United Illuminating (UI) is a part of AVANGRID, Inc., which owns many utilities across Massachusetts, Maine, New York and Connecticut. UI started in 1899 and now serves over 338,000 customers in Connecticut. Its service area covers 335 square miles along the Long Island Sound, and its power lines span 17 towns and cities.

United Illuminating Company Customer Service:


General Inquiries:

What's the Difference Between Utilities and Providers?

Utilities like UI are energy distribution companies. They operate in distinct service areas and install and maintain power lines. Also, they respond to outages and ensuring consumers get the energy they pay for. If you need to report an outage or see a downed power line, you can contact your local utility to get help.

Utilities make up only one part of a deregulated energy market. These companies receive energy from providers also known as suppliers. The suppliers are the ones that either purchase or generate the electric. Suppliers set their rates based on the current market. Then consumers choose their new rate based on preference of the agreement. This system drives competition among providers and prevents monopolies that often occur in regulated markets.

With market rates changing daily, shopping for a new rate can help you keep your costs low. United Illuminating makes it easier to compare rates with a Price to Compare. This number is a fair market cost, and it can help you decide whether a provider has a fair rate. To compare rates to the current market in your area, review the price to compare on your recent electric bill.

Comparing UI Electric Rates:

Attention United Illuminating customers! Are you ready to compare electricity plans for your home or business? We offer the best electricity plans in UI from the top retail electricity providers. Now, there are several electricity plan options offered in the United Illuminating service territory. And, knowing your options is a great start to finding the best plan. Here are some of the plans offered in United Illuminating Co:


Fixed Rate Electric Plans in UI

Fixed-rate electricity plans allow residents and businesses in UI to lock-in electricity unit costs at a certain $/kWh for a contract period term. This provides price certainty and a relatively simple way to budget for energy costs.


UI Electric Residential & Commercial Plans

Our site also gives UI residents the option to choose between residential electricity rates and commercial electricity rates. Commercial businesses in United Illuminating even have the ability to request a custom quote that is tailored to the business's individual usage.


No Deposit UI Electricity Plans

Some energy providers require customers to put down a deposit when they sign up for an electricity plan. Our site allows you to filter plans that do not require a deposit, so you can sign up with a United Illuminating Co electricity provider on your terms.


100% Green Plans in United Illuminating Co

Are you looking for a green electricity plan for your home or business? Our site displays rates from some of the leading green energy suppliers in UI and the rest of Connecticut. Whether you want electricity generated from wind or solar, you can easily sort by 100% renewable plans.

Compare Rates Near You

Connecticut Cities Served by United Illuminating Co:

East Haven
New Haven
North Branford
North Haven
West Haven

You can view a complete list of market rates in UI’s Connecticut service area by clicking here. Browse rates with basic utility information and enroll online easily.

Compare United Illuminating Rates at EnergyPricing.com

Comparing rates in a deregulated market can be a challenge. With so many options at your hand, how can you know you are getting a great rate? We use reverse energy auctions to help commercial clients find a low price for their usage.

To set up your auction, our team will identify a group of providers able to bid on your business. These companies want to win your contract, and they know you’re looking for a low rate, so the bids will go down over time. When the auction ends, you can discuss your options with one of our energy advisors.

Simplified Ways to Switch

No matter how you choose to switch, we’ve got options.

Switch Online

Search for a rate and enroll online today!


Chat with Our Experts

Want to talk to someone? 800-225-3813


Get a Custom Quote

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