More than 146,000 Virginia homes and businesses remained without power after, down from a peak of about 1.2 million after the storms.
In New Jersey, Atlantic City Electric said nearly 30,000 homes and businesses were still without service. That's down from about 206,000.
Maryland issued a heat advisory for the entire state for Thursday, after issuing one for parts of the state for Wednesday. Sweaty patrons were enjoying the Capitol Fourth Concert in D.C. Wednesday evening.