Chevron Corp. (CVX) reported electricity problems and an operational snag over the weekend at its Richmond refinery in northern California.

"The refinery incurred a flaring event due to a power dip resulting in processing unit upsets," the refinery said in a statement to the California Emergency Management Agency. "The refinery continues to operate."

It said the emissions happened Saturday morning and included the release of sulfur dioxide.

The 250,000-barrel-a-day refinery is located just north of Oakland.

 

Write to Dan Molinski at dan.molinski@wsj.com

 

(END) Dow Jones Newswires

February 04, 2019 08:08 ET (13:08 GMT)

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