AltaGas Utilities, headquartered in the City of Leduc, Alberta, has been in operation since 1947, when it originally served the areas of Leduc, St. Paul and Athabasca. Employing more than 200 people, AUI operates six natural gas transmission pipelines in Western Canada, acting as a major distributor to many of the regulated and competitive natural gas retailers in Alberta. In total, AltaGas Utilities owns and operates nearly 20,000 km of pipelines throughout the province.
AltaGas Utilities mainly interacts with end users in the form of a number of safety campaigns, including those warning about natural gas leaks and carbon monoxide poisoning prevention. Additionally, it is a member of Alberta One-Call, providing the free service of marking the location of underground utility lines and pipelines in areas where residents or commercial operations will be excavating or building.
AltaGas Utilities is a regulated provider of natural gas to residences and small businesses in Alberta, serving more than 73,000 customers distributed throughout 90 communities in rural and isolated areas of the province.
Additionally, it offers natural gas service to businesses located anywhere within Alberta that use more than 10,000 gigajoules of natural gas annually, or businesses within existing AltaGas franchise areas that consume less than 10,000 gigajoules annually.
AltaGas Utilities is one of three Canadian utility companies owned by AltaGas Utility Group (itself owned by Altagas Ltd.), the other two being Pacific Northern Gas Ltd., which operates in British Columbia; and Heritage Gas, which serves the province of Nova Scotia. Two additional utility companies operate in markets in the United States–ENSTAR Natural Gas Company, providing services to more than 136,000 customers in the Anchorage and Cook Inlet areas of Alaska; and SEMCO Energy Gas Company, operating out of Port Huron, Michigan–and supply natural gas to approximately 300,000 residential and commercial customers.