United Illuminating provides safe, reliable electric service to customers in the greater New Haven and Bridgeport areas of Connecticut.

Sign in and manage your UI account, and view and pay your bill. Don't have an account? Register here to get started.

Explore ways to pay, receive and manage your UI bill. Pay your bill online or learn about other ways to pay using our mobile app, AutoPay, or pay offline.

Pay your UI bill online by credit card, debit card, or checking / savings account.

The United Illuminating Company’s (UI) comprehensive outdoor lighting program, UI’s Outdoor Lighting, is the easiest and most affordable way to improve the outdoor lighting on your property for safety, …

If you are experiencing a life-threatening electricity emergency, please call 911 immediately. Otherwise, please contact us at 855-784-3637 for electricity outages or trouble, or use our online form.

Support View customer service phone numbers and other important contact information for residential and business customers.

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Access and manage your UI account, view bills, make payments, and update account details easily online.

UI's online system called My Account, provides free, convenient, and secure access to your account information and has tools to help you save energy and money. With My Account, you'll be able see …