AltaGas Ltd. is a North American energy infrastructure company headquartered in Vancouver, British Columbia. Founded in 1994, the company has grown through strategic acquisitions and organic development to become a diversified provider of natural gas, natural gas liquids (NGLs), and power generation services. AltaGas operates across three core segments—Utilities, Midstream, and Power Generation—serving residential, commercial, and industrial customers as well as large-scale energy consumers in both Canada and the United States.
In its Utilities segment, AltaGas provides regulated natural gas distribution services in several Canadian provinces and U.S. states, ensuring safe and reliable delivery to millions of customers. The company’s gas utility operations include meter reading, pipeline maintenance, and customer service, with an emphasis on operational excellence and regulatory compliance. AltaGas continuously invests in pipeline infrastructure upgrades and leak detection technologies to support environmental responsibility and community safety.
The Midstream segment focuses on the gathering, processing, storage, and transportation of natural gas and NGLs. AltaGas owns and operates processing facilities and fractionation plants in key resource plays, including the Montney and Duvernay regions in Canada and the Appalachian Basin in the United States. The company’s integrated midstream network enables efficient molecule handling from wellhead to market, supplying feedstock to petrochemical plants, refineries, and export terminals.
AltaGas’s Power Generation business consists of diversified, predominantly renewable energy assets, including hydroelectric, wind, solar, and thermal power plants. By leveraging its portfolio of over a dozen generation sites, the company supplies baseload and peak power to utilities and industrial offtakers. Under the leadership of President and CEO John J. Whelen and a seasoned executive team, AltaGas pursues long-term growth through disciplined capital allocation, operational optimization, and strategic partnerships across North America.
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