The winds have died down and the moon was shining through breaks in the early-morning clouds but more than 300,000 customers of major Massachusetts utilities remained without power in the wake of Sandy.

More than 209,000 National Grid customers were without power as of 5 a.m. on Oct. 30, with Merrimack Valley communities among the hardest hit.

NStar was reporting nearly 83,000 customers without power, with the Lakeville-Freetown area one of the most affected areas.

Western Massachusetts Electric Co. had about 8,000 outages and Unitil about 1,500.

The MBTA, which shut down at 2 p.m. Monday, resumed normal service at 5 a.m. Tuesday but warned commuters that there would be delays. Service on the Providence/Stoughton Line between Mansfield and Wickford Junction stations was suspended due to downed trees and power lines.

> > See the latest on the NStar and National Grid power outages.