Enbridge’s 670,000 barrel a day Line 6A oil pipeline in the U.S. Midwest is expected to run at reduced rates until early next week, creating another costly bottleneck for Canadian crude exports, the company said on Friday.

An outage at a power utility’s substation in Illinois forced Enbridge, which has been struggling with numerous outages on its massive oil pipeline system, to reduce flows as electricity to a pumping station got cut off.

The rates are expected to be cut until at least Tuesday, the company said. Get the full story »