United Illuminating Employee Directory
UtilitiesUnited States201-500 Employees
The United Illuminating Company (UI) is a New Haven, Connecticut-based electric distribution company founded in 1899. It purchases, transmits, distributes and sells electricity and related services to more than 341,000 residential, commercial and industrial customers in the Greater New Haven and Bridgeport areas. UI operates as a regional utility and is part of Avangrid, which acquired the company in 2016. The company emphasizes safe and reliable service to the communities it serves. UI participates in conservation programs, supports economic development, assists local businesses and funds charitable initiatives through established programs. In 2025, UI and its distribution peers were recognized with the Edison Electric Institute Emergency Response Award for their performance during emergencies.