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.

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

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.

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

Sign in to manage your UI account and access billing information.

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.

Start, stop and transfer your electrical services in greater New Haven and Bridgeport area with UI. Our quick and easy process ensures you can manage your services in just a few steps.

Access your account to view and pay bills, manage payments, and schedule recurring transactions conveniently online.

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