Pepco says its brought in hundreds of outside crews to restore power in the wake of Hurricane Irene.
The utility company says its hired more outside crews for Hurricane Irene than for any other storm.
But despite the reinforcements, Pepco spokesman Bill Glausman says customers should be prepared for major outages.
"It's very likely that this would be a multi-day event," says Glausman. "Is that two or three days or longer is unknown."
Weather forecasters say winds could reach 50 miles per hour in the District, toppling trees and power lines. And if that’s the case, Pepco says it will have to wait for the wind to die down before crews can begin making repairs.