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  1. Lower costs by making your home energy-smart. Begin with an energy assessment through our Home Energy Solutions Program. United Illuminating provides safe, reliable electric service to customers in the greater New Haven and Bridgeport areas of Connecticut.

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  2. Whether commercial or residential, your energy decisions affect your bottom line. Please visit our Welcome Brochure for information about your service. We are committed to providing exceptional customer service, to all of our customers — 24 hours a day, 7 days a week, 365 days a year. You can count on us. Welcome to United Illuminating!

  3. Our Company. UI is engaged in the purchase, transmission, distribution and sale of electricity and related services to approximately 341,000 residential, commercial, and industrial customers in the greater New Haven and Bridgeport areas of Connecticut. UI's service territory includes 17 Connecticut towns and cities in an area totaling 335 ...

  4. UI is a regional electric distribution company in southern Connecticut, serving 325,000 customers. It was founded in 1899 and is now a subsidiary of Avangrid.

  5. The United Illuminating Company (UI) is a subsidiary of Avangrid, a leading sustainable energy company in the US. UI operates electric distribution and transmission lines in Connecticut, serving 341,000 customers.

  6. Nov 17, 2022 · UI is a subsidiary of AVANGRID, Inc. that provides electric service to customers in the greater New Haven and Bridgeport areas. Learn about UI's assistance programs, payment plans, energy efficiency tips, and global energy crisis impact.

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  8. United Illuminating is a New Haven-based electric distribution company serving over 341,000 customers in the Greater New Haven and Bridgeport areas. See their updates, employees, website, and industry on LinkedIn.

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