AUI commenced operations as an Alberta, provincially regulated, natural gas distribution utility in 1954. Its head office is located in Leduc, Alberta. AUI delivers natural gas to residential, farm and C&I consumers in more than 90 communities throughout Alberta. At the end of 2020, AUI served approximately 81,500 customers
AUI also owns transmission facilities, including, without limitation, high-pressure pipelines that deliver natural gas from gas sources to the distribution systems.
AUI’s distribution system consists of 21,000 kilometres of pipeline. There are approximately 700 small and mid-sized metering and pressure regulating stations throughout AUI’s distribution network. AUI operates its gas distribution systems through a network of 14 district offices. In 2021, the total throughput of natural gas delivered to 81,911 customer service sites and transported for two producers had a total energy value of approximately 19.4 PJ. AUI is currently undertaking an AUC-approved system betterment program, targeting the replacement of all pre-1957 steel pipe, all polyvinyl chloride pipe and all pre-1975 polyethylene pipe, as well as the rejuvenation and/or replacement of identified regulating and metering facilities.
AUI’s market consists primarily of residential and small commercial customers located in smaller population centres or rural areas of Alberta.