Our Company
Connecticut Natural Gas Corporation serves more than 189,000 customers in the greater Hartford-New Britain area and Greenwich, Connecticut. We are committed to the well-being of our communities and to delivering innovative energy solutions and safe, reliable and affordable power to meet our customers’ needs.

Learn More About Connecticut Natural Gas
You’ll find additional information here about CNG’s history, affiliates, and more.
Additional Company Information
Financial Information
Connecticut Natural Gas (CNG) is a wholly-owned subsidiary of AVANGRID, Inc. View the most current financial information, including quarterly and annual filings at AVANGRID.com.
Financial InformationAVANGRID and AVANGRID Networks
Connecticut Natural Gas is a subsidiary of AVANGRID, Inc. Avangrid Networks combines the resources and expertise of eight electric and natural gas utilities with an $11.7 billion rate base serving 3.3 million customers in New York and New England.
Avangrid Networks