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.

View a map of current electric outages and restoration statuses for UI customers.

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.

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

Established in 1899, UI is engaged in the purchase, transmission, distribution and sale of electricity and related services to approximately 347,149 residential, commercial and industrial …

United Illuminating (UI) is a wholly-owned subsidiary of AVANGRID, Inc. View the most current financial information, including quarterly and annual filings at AVANGRID.com.

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.

View a list of electric outages, summarized for each of the towns we serve in the greater New Haven and Bridgeport, Connecticut areas of our UI service area.

Welcome to United Illuminating!Whether you’re a new, returning or current customer, we’re happy to serve you.