Who To Call - Natural Gas Emergencies and Non-Emergencies
| Local Distribution Companies | Emergency | Non-Emergency |
| Connecticut Natural Gas Company (CNG) | 866-924-5325 | 860-524-8361 |
| Norwich Public Utilities (NPU) | 860-887-7207 | 860-887-2555 |
| Southern Connecticut Gas Company (SCG) | 800-513-8898 | 800-659-8299 |
|
Yankee Gas Services Company
d/b/a Eversource Energy (YGS)
|
877-944-5325 | 800-989-0900 |
| Interstate Transmission Companies: | Emergency | Non-Emergency |
| Algonquin Gas Transmission (Algonquin) | 800-726-8383 | 713-627-5400 |
| Iroquois Gas Transmission (Iroquois) | 800-888-3982 | 800-253-5152 |
| Tennessee Gas Pipeline (Tennessee) | 800-231-2800 | 800-781-4152 |
Coverage by Town
(View map of the towns served by the Local Distribution Companies)
| Local Distribution Companies | Interstate Transmission Companies |
||||||
| TOWN | CNG | NPU | SCG | YGS | Algonquin | Iroquois | Tennessee |
| Andover | Algonquin | ||||||
| Ansonia | YGS | ||||||
| Ashford | Algonquin | ||||||
| Avon | CNG | ||||||
| Barkhamsted | YGS | Tennessee | |||||
| Beacon Falls | YGS | ||||||
| Berlin | CNG | YGS | Algonquin | ||||
| Bethany | Tennessee | ||||||
| Bethel | YGS | Algonquin | |||||
| Bloomfield | CNG | Tennessee | |||||
| Bolton | CNG | ||||||
| Bozrah | YGS | ||||||
| Branford | SCG | ||||||
| Bridgeport | SCG | Tennessee | |||||
| Bristol | YGS | ||||||
| Brookfield | YGS | Algonquin | Iroquois | ||||
| Brooklyn | YGS | ||||||
| Burlington | YGS | ||||||
| Canton | CNG | ||||||
| Chaplin | Algonquin | ||||||
| Cheshire | YGS | Algonquin | Tennessee | ||||
| Clinton | SCG | ||||||
| Colchester | YGS | ||||||
| Columbia | Algonquin | ||||||
| Coventry | CNG | Algonquin | |||||
| Cromwell | YGS | Algonquin | |||||
| Danbury | YGS | Algonquin | |||||
| Darien | YGS | ||||||
| Deep River | SCG | ||||||
| Derby | YGS | Tennessee | |||||
| Durham | YGS | ||||||
| East Granby | YGS | Tennessee | |||||
| East Haddam | |||||||
| East Hampton | CNG | ||||||
| East Hartford | CNG | ||||||
| East Haven | SCG | Algonquin | |||||
| East Lyme | YGS | ||||||
| East Windsor | YGS | ||||||
| Eastford | Algonquin | ||||||
| Easton | SCG | Tennessee | |||||
| Ellington | YGS | ||||||
| Enfield | YGS | ||||||
| Essex | SCG | ||||||
| Fairfield | SCG | Tennessee | |||||
| Farmington | CNG | Algonquin | Tennessee | ||||
| Franklin | YGS | Algonquin | |||||
| Glastonbury | CNG | Algonquin | |||||
| Granby | CNG | ||||||
| Greenwich | CNG | Tennessee | |||||
| Griswold | YGS | ||||||
| Groton | YGS | ||||||
| Guilford | SCG | Algonquin | |||||
| Haddam | |||||||
| Hamden | SCG | Tennessee | |||||
| Hartford | CNG | ||||||
| Hartland | Tennessee | ||||||
| Harwinton | YGS | ||||||
| Hebron | CNG | Algonquin | |||||
| Killingly | YGS | ||||||
| Lebanon | Algonquin | ||||||
| Ledyard | YGS | Algonquin | |||||
| Lisbon | YGS | ||||||
| Litchfield | YGS | ||||||
| Madison | SCG | ||||||
| Manchester | CNG | Algonquin | |||||
| Mansfield | CNG | YGS | Algonquin | ||||
| Marlborough | |||||||
| Meriden | YGS | ||||||
| Middlebury | YGS | Algonquin | |||||
| Middlefield | YGS | ||||||
| Middletown | YGS | Algonquin | |||||
| Milford | SCG | Iroquois | |||||
| Monroe | YGS | Iroquois | |||||
| Montville | YGS | Algonquin | |||||
| Naugatuck | YGS | Algonquin | |||||
| New Britain | CNG | Tennessee | |||||
| New Canaan | YGS | Tennessee | |||||
| New Hartford | YGS | Tennessee | |||||
| New Haven | SCG | ||||||
| New London | YGS | ||||||
| New Milford | YGS | Iroquois | |||||
| Newington | CNG | ||||||
| Newtown | YGS | Algonquin | Iroquois | ||||
| North Branford | SCG | Algonquin | |||||
| North Haven | SCG | Algonquin | |||||
| North Stonington | YGS | Algonquin | |||||
| Norwalk | YGS | Tennessee | |||||
| Norwich | NPU | Algonquin | |||||
| Old Saybrook | SCG | ||||||
| Orange | SCG | Tennessee | |||||
| Oxford | YGS | Algonquin | |||||
| Plainfield | YGS | ||||||
| Plainville | YGS | Algonquin | Tennessee | ||||
| Plymouth | YGS | ||||||
| Pomfret | YGS | Algonquin | |||||
| Portland | CNG | Algonquin | |||||
| Preston | NPU | YGS | Algonquin | ||||
| Prospect | YGS | Algonquin | |||||
| Putnam | YGS | Algonquin | |||||
| Redding | YGS | ||||||
| Ridgefield | YGS | ||||||
| Rocky Hill | CNG | Algonquin | |||||
| Salem | YGS | ||||||
| Seymour | YGS | ||||||
| Shelton | YGS | Iroquois | Tennessee | ||||
| Sherman | Iroquois | ||||||
| Simsbury | CNG | Tennessee | |||||
| Somers | YGS | ||||||
| South Windsor | YGS | ||||||
| Southbury | YGS | Algonquin | |||||
| Southington | YGS | Algonquin | Tennessee | ||||
| Sprague | YGS | ||||||
| Stamford | YGS | Tennessee | |||||
| Stonington | YGS | Algonquin | |||||
| Stratford | SCG | Tennessee | |||||
| Suffield | YGS | Tennessee | |||||
| Thomaston | YGS | ||||||
| Thompson | Algonquin | ||||||
| Tolland | YGS | ||||||
| Torrington | YGS | Tennessee | |||||
| Trumbull | SCG | Tennessee | |||||
| Vernon | YGS | Algonquin | |||||
| Wallingford | YGS | Algonquin | Tennessee | ||||
| Waterbury | YGS | Algonquin | |||||
| Waterford | YGS | Algonquin | |||||
| Watertown | YGS | ||||||
| West Hartford | CNG | Tennessee | |||||
| West Haven | SCG | ||||||
| Westbrook | SCG | ||||||
| Weston | SCG | ||||||
| Westport | SCG | Tennessee | |||||
| Wethersfield | CNG | ||||||
| Wilton | YGS | ||||||
| Winchester | YGS | Tennessee | |||||
| Windham | YGS | Algonquin | |||||
| Windsor | CNG | YGS | Tennessee | ||||
| Windsor Locks | YGS | ||||||
| Wolcott | YGS | ||||||
| Woodbridge | SCG | Tennessee | |||||
| Woodbury | YGS | ||||||
Content last updated April 2025