The explosion occurred early Thursday morning on Cady Street in Ludlow.
LUDLOW - More than a hundred Western Massachusetts Electric Co. customers remained without power early Thursday after an transformer exploded on Cady Street.
Police said the explosion was reported shortly after 3:15 a.m. and that utility workers could remain on the scene until noon.
Cady Street remains open to traffic, police said. According to WMECO’s website, 126 of Ludlow’s 9,130 customers were without power as of about 7:40 a.m.