Suncor says power outage caused unplanned operational shutdown at Commerce City refinery

ReutersMay 12, 2026 8:40 PM

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May 12 (Reuters) - Suncor Energy SU.TO said on Tuesday a third-party power outage on May 11 caused an unplanned operational shutdown at its 98,000-barrel-per-day Commerce City refinery in Colorado.

The company said the facility was undergoing startup activities and that smoke or increased flaring may be visible.

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