Cincinnati underground explosion caused by transformer, Duke Energy says Authorities say an overnight explosion outside a downtown building was the result of a transformer problem.

Heathrow Shutdown Caused by Problem Left Unfixed by Power Company for Years The fire at an electrical substation was caused by a short circuit in a part that hadn’t been properly maintained by ...

Dispatchers say a transformer blew near North Elliot in the area. A viewer shared video of the transformer sparking in the player above. Those impacted stretch down to the southeast side.