(Reuters) – Over 675,000 homes and companies within the U.S. Midwest and Ontario, Canada had been still without energy on Monday afternoon, down from almost 800,000 outages this morning following severe thunderstorms Sunday evening, consistent with native power firms. Michigan was the toughest-hit state with more than 540,000 customers out. DTE Energy Co, the most important energy firm in the state, said it has about 275,000 shoppers out and expects to need a couple of days to revive carrier to all homes and companies. Other laborious-hit states embrace Indiana, Illinois, Ohio, Missouri and New York. …