The explosion occurred about noon on Friday, May 24 near Main Street and Sayreville Boulevard, police said in a release. Sayreville police said a related fire was under control.
Main Street was closed between Sayreville Blvd South and MacArthur Avenue.
According to JCP&L, 4,300 customers were without power.
There was no ETA on power restoration.
Click here to follow Daily Voice Scotch Plains-Fanwood and receive free news updates.