AltaGas Ltd. is a Canadian energy infrastructure company that operates in three segments: Gas, Power, and Utilities. The company was founded in 1994 and is headquartered in Calgary, Alberta. AltaGas owns and operates natural gas processing plants, pipelines, and storage facilities in Canada and the United States. The company also generates and sells electricity and provides energy services to customers in Canada. In 2019, AltaGas generated CAD 6.2 billion in revenue.