Canadian Utilities Limited, together with its subsidiaries, engages in the electricity, natural gas, renewables, pipelines, liquids, and retail energy businesses in Canada, Australia, and internationally. It operates through ATCO Energy Systems, ATCO EnPower, and Corporate & Other segments. The ATCO Energy Systems segment provides regulated electricity transmission and distribution services in northern and central east Alberta, the Yukon, the Northwest Territories, and the Lloydminster area of Saskatchewan; and integrated natural gas transmission and distribution services in Alberta, the Lloydminster area of Saskatchewan, and Western Australia. It owns and operates approximately 9,100 kilometers of natural gas pipelines, 11 compressor sites, approximately 3,600 receipt and delivery points, and a salt cavern natural gas storage peaking facility located near Fort Saskatchewan, Alberta in Canada. The ATCO EnPower segment provides hydro, solar, wind, and natural gas electricity generation; natural gas storage; industrial water solutions; clean fuels, including hydrogen, carbon capture, and underground storage projects; and related infrastructure development in Alberta, the Yukon, the Northwest Territories, Australia, Ontario, Mexico, and Chile. The Corporate & Other segment retails electricity and natural gas; and provides whole-home solutions. The company was incorporated in 1927 and is headquartered in Calgary, Canada. Canadian Utilities Limited is a subsidiary of ATCO Ltd.