Our Company
Connecticut Natural Gas (CNG) delivers natural gas and related services in the greater Hartford and Greenwich areas of Connecticut. We strive daily to provide safe, reliable service to customers and value to our communities.
Giving Back
CNG has been a good neighbor for 170 years. Our employees volunteer for organizations like American Red Cross and Habitat for Humanity. With the Avangrid Foundation, we support Connecticut nonprofits. We also work with community agencies to ensure all customers have access to affordable energy.
Who We Are
History
Established in 1848, Connecticut Natural Gas (CNG) joined the AVANGRID family of companies in December 2015 when its parent, UIL Holdings, merged with Iberdrola USA.
Read moreAffiliates
CNG is part of Avangrid Networks, which combines the resources and expertise of eight electric and natural gas utilities with an $8.3 billion rate base serving 3.1 million customers in New York and New England.
Read moreFinancial Information
CNG is a wholly-owned subsidiary of AVANGRID, Inc. View the most current financial information, including quarterly and annual filings at AVANGRID.com.
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