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

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

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

Contact us regarding customer service inquiries, emergencies, and power outages.

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.

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.

Understanding Your Bill Electricity powers the world around us, from watching television, washing clothes, and heating your home, to running appliances and cooking.

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, …

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