There were no immediate reports of injuries due to the blast at the plant in Taketoyo run by Jera Co., a joint venture between Tokyo Electric Power Company Holdings Inc. and Chubu Electric Power Co, Kyodo News reports.
Firefighters received an emergency call at around 3:10 p.m. reporting an explosion and that black smoke was rising at the plant.
The explosion occurred on the 13th floor of a building where a fire has begun to spread, with equipment having also caught fire at the complex, according to the local fire department.
MNA/PR