Om 2005, people were indeed housed hundreds of miles away from New Orleans, often in Texas; a few hundred were housed in the DC area/
Update: June 14
Washington DC ABC affiliate WJLA reports that homeowners who sustain damage to their own power meters or line on private property have to hire private electricians to do those repairs before power companies will restore power. That means getting an estimate from the insurance company first, and usually the insurer has a list of contractors who will honor the settlement rates. That takes even longer to get done.