PROVIDENCE, R.I. -- As of 6:45 a.m. Thursday, 17,125 customers were without power, according to National Grid's website.

In a storm overnight Sunday that brought hurricane-force winds to Rhode Island, 154,000 customers lost power.

National Grid provides electrical service to 490,922 homes and businesses in Rhode Island, and is the provider for all of Rhode Island except the village of Pascoag in Burrillville and Block Island.

More than 300 crews are working around the clock to restore service, National Grid said on its website. Power was restored to some 3,500 customers overnight, according to figures from National Grid.

"We expect customers to continue to have power restored throughout the night into Thursday evening," National Grid said late Wednesday night.

Schools that were forced to close because of power problems are back in session, according to the Rhode Island Broadcasters Association. However, a boiler problem has closed Samuel Slater Middle School in Pawtucket.