Suncor Energy is a Canadian integrated energy company based in Calgary, Alberta.
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Until 2010, Suncor Energy marketed products and services to retail customers in Ontario through a downstream network of 780 company-owned, and 700 customer-operated retail and Diesel fuel sites, primarily in Ontario under the Sunoco brand .
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In 2009, Suncor Energy acquired the former Crown corporation Petro-Canada, which replaced the Sunoco brand across its existing outlets.
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In 1979, Sun formed Suncor Energy by merging its Canadian refining and retailing interests; Great Canadian Oil Sands ; and its conventional oil and gas interests.
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In 2003, Suncor Energy acquired a refinery and associated Phillips 66 gas stations in Commerce City, Colorado from ConocoPhillips.
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In 2005, Suncor acquired a second Commerce City refinery from Valero Energy.
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Suncor Energy moved its retail brand from Phillips 66 to Shell from 2009 to 2013.
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In December 2009, as a condition of the merger, Suncor sold 98 gas stations in Ontario to Husky Energy, consisting of 68 Sunoco-branded locations and 30 Petro-Canada-branded locations.
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In fall 2021, Suncor Energy assumed operatorship of the Syncrude Joint Venture oil sands project in a bid to improve its performance.
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In North America, Suncor Energy develops and produces oil and natural gas in Western Canada, Colorado, and offshore drilling in eastern Canada.
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Suncor Energy is one of the largest Canadian retailers of petroleum products.
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Suncor Energy is the world's largest producer of bitumen, and owns and operates an oil sands upgrading plant near Fort McMurray, Alberta, Canada.
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Suncor Energy produces conventional oil, heavy crude oil, and natural gas.
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Suncor Energy previously operated and franchised retail locations under the Sunoco brand, but post-acquisition, nearly all remaining Sunoco stations were converted to Petro-Canada.
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Suncor Energy owned and operated three Bombardier CRJ900ER aircraft but sold them in late 2016 and now uses Westjet to shuttle Suncor employees to the oilsands.
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Suncor Energy failed to monitor and control emissions a number of times throughout 2009 and 2010, and numerous emissions exceeded regulations.
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Suncor Energy was cited for "failure to conduct equipment inspections, train employees, and fully develop standard procedures for operating equipment".
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In 2020, Suncor Energy reached a US$9 million settlement agreement with authorities in Colorado for more than 100 air pollution violations from its Commerce City refinery.
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In 2009, under the auspices of the Natural Sciences and Engineering Research Council of Canada, Suncor Energy teamed with the University of Alberta and Matrikon, an Edmonton-based software company, to develop separation-cell technology to potentially reduce the amount of bitumen entering tailings ponds by 50 per cent.
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Suncor Energy operates an ethanol facility in St Clair Township, Ontario.
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