the Lakehead Pipe Line Company (now Enbridge Energy Partners) was created. In 1953, the pipeline was expanded to Sarnia, Ontario, and in 1956 to Toronto and Buffalo, New York.

In 1953, IPL was listed on the Toronto and Montreal stock exchanges. In 1983, IPL built the Norman Wells pipeline and joined Frontier Pipeline Company. In 1986, through a series of stakes exchanges, IPL gained control of Home Oil and in 1988,