That is down from more than 946,000 customers without service in Texas, Louisiana and Mississippi on Friday, and 150,000 customers without power overnight on Tuesday.
Storms packing hurricane-force winds pummeled the Houston area on May 16, killing at least four people, blowing windows out of high-rise buildings and leaving some 800,000 customers without power as much of the city was plunged into darkness, Mayor John Whitmire said.
Texas energy company CenterPoint Energy (CNP.N), opens new tab currently has the most outages with 94,323 customers without power in the Houston area, according to PowerOutage.us.
CenterPoint said late on Monday it had restored power to more than 770,000 customers and "remains on target to substantially complete restorations by Wednesday evening."
Storms in other states over the past 24 hours have left more than 61,000 customers without power in Iowa and more than 18,000 without power in Minnesota on Tuesday, according to PowerOutage.us.