"We think we will have the vast majority of our customers restored by Thursday," Pepco chief executive Joseph M. Rigby said at a news conference Monday in Northwest Washington.
Pepco had a maximum of about 300,000 customers without power, officials said. The numbers dropped Monday but fluctuated as power was restored and lost again.
Rigby called the outage "a multiday event. I don't feel good saying that. But that's the truth." He said much of the storm damage was caused by the region's heavy tree canopy, which he said is the third-largest in the country, behind those in Portland, Ore., and Atlanta.
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