Gas Utility Phone Numbers

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A period of extremely frigid temperatures is forecast to impact Connecticut between the afternoon of Saturday, December 21, through Tuesday, December 24. Governor Lamont is activating the state's severe cold weather protocol during this period. To locate a shelter or warming center in Connecticut, call 2-1-1 or visit 211ct.org.

New Standard Service Rates for Eversource and United Illuminating (UI) customers, covering the period from January through June 2025, have been announced. Customers are encouraged to check the rate board for up-to-date supply rate options at Energize CT

Gas Utility Companies

Connecticut Natural Gas Corporation
Customer Service: 860-524-8361
Greenwich Area Customers: 203-869-6900

Emergencies: 866-924-5325

Southern Connecticut Gas Company
Customer Service: 800-659-8299

Emergencies: 800-513-8898

Eversource - (Yankee Gas Services Company )
Customer Service (Residential): 800-989-0900

Customer Service (Business): 888-688-7267

Emergencies - 877-944-5325

Department of Energy and Environmental Protection Public Utilities Regulatory Authority

Gas Utility Companies