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Apex Utilities

Delivering reliable, cleaner, and affordable
energy to more than 90 communities and
surrounding rural areas across Alberta.

AltaGas Utilities 3 meters

AltaGas Utilities 3 meters

AltaGas Utilities two gusy 896 px

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.



  AltaGas Utilities AB Map CS5




 Communities Served


 Distribution System





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.

Well established natural gas distribution utility business with predictable and secured growth