How did the 1947 Leduc oil discovery change Edmonton’s economy?

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Edmonton The North Saskatchewan River and downtown Edmonton, Alberta, Canada.

The 1947 discovery of petroleum at nearby Leduc, followed by additional finds in the vicinity, served as a major catalyst for Edmonton’s development. This event significantly stimulated the city’s urban and industrial growth, ultimately establishing Edmonton as the petrochemical centre for western Canada.1

This economic transformation has been sustained over time through the ongoing development of tar sand deposits in northern Alberta. Today, the production of oil remains the dominant factor in the city's economy, supporting a broad industrial base that includes oil refining, synthetic fuel production, and the manufacturing of plastics and fertilizers. Furthermore, the city serves as a vital service and supply hub for the oil and gas industry, fostering a wide range of related professional services, including engineering, equipment manufacturing, finance, and transportation.1