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Who We Are

Established in 1848, Connecticut Natural Gas (CNG) serves approximately 176,000 residential, commercial and industrial natural gas customers in the greater Hartford-New Britain area, and Greenwich, Connecticut. CNG is a subsidiary of AVANGRID, Inc. (NYSE: AGR).

Service Area

CNG’s reliable network delivers natural gas throughout central Connecticut.

For Investors

Find quarterly and annual filings on our financial information page.
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