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.

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.

My Account Portal

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

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

Start fresh with United Illuminating when you move. Quick and easy service transfers to ensure your new Connecticut home is powered up from day one.

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

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 …