Canadian Utilities Limited is engaged in Utilities, such as pipelines, natural gas and electricity transmission and distribution, and Energy, such as power generation and sales, industrial water infrastructure, natural gas gathering, processing, storage and liquids extraction. The Company operates in four segments: Utilities, Energy, ATCO Australia and Corporate & Other. The Utilities segment includes ATCO Electric, ATCO Gas and ATCO Pipelines. The Energy segment activities are conducted through ATCO Power and ATCO Energy Solutions. The ATCO Australia segment consists of ATCO Gas Australia and ATCO Power Australia. The Corporate & Other segment includes the strategic investment in Mexico and included ATCO I-Tek.