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.

Budget Billing With Budget Billing, UI will bill you for an average monthly electric cost based on your actual use. Read more

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.

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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 …

UI is engaged in the purchase, transmission, distribution and sale of electricity and related services to approximately 338,654 residential, commercial and industrial customers in the …

Find help paying your energy bill from UI. Learn about our low-income discount rate, financial hardship assistance, payment arrangements, and state programs.

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.

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