AltaGas Ltd. is a North American energy infrastructure company engaged in the ownership, operation and development of diversified assets across natural gas, natural gas liquids (NGL), electricity and utility businesses. Its midstream operations include gathering, processing, and transporting natural gas, as well as fractionation and storage of NGLs. In the power segment, AltaGas develops and operates natural gas‐fired power plants and small hydroelectric facilities, providing reliable electricity to regional markets. Through its utility business, the company delivers regulated natural gas distribution services to residential, commercial and industrial customers.
Founded in 1994 and headquartered in Calgary, Alberta, AltaGas has grown organically and through strategic acquisitions to serve a broad geographic footprint. In Canada, the company’s assets span key resource basins in British Columbia and Alberta, while its U.S. operations include midstream and power infrastructure in high‐growth markets. Following its 2021 acquisition of WGL Holdings, AltaGas expanded into the Mid‐Atlantic region, serving customers in Washington, D.C., Maryland and Virginia under the Washington Gas brand.
Under the leadership of President and Chief Executive Officer John J. Whelen, AltaGas emphasizes operational excellence, safety and environmental stewardship. The company continues to pursue opportunities to expand its pipeline, storage and power generation capabilities, while supporting the energy transition through low‐emission and renewable energy projects. AltaGas’s integrated model and diversified portfolio position it to meet evolving energy demands across North America.
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