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

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

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

My Account Portal

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.

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

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

Planned Maintenance On rare occasions, UI must schedule a power outage in order to accommodate system upgrades. Read more

Smart Energy Overview Residential Rebates and Programs Section Residential Rebates and Programs UI Smart Solutions Home Energy Solutions Home Energy Solutions - Income Eligible Heating and …

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