This is reported by the Associated Press.
As noted, the explosion occurred at the station in Apollo Beach in Hillsborough County.
"All the affected contractors who were engaged in regular maintenance work," said the spokesman for the Sheriff of Hillsborough County.
He also noted that the exact causes of the explosion are unknown, but the state authorities quickly ruled out the possibility of a terrorist attack.
In turn, spokeswoman TECO Cherie Jacobs stressed that the incident occurred in the coal combustion unit near the slag. According to her, the company carried out regular maintenance of the tank.
Recall, as previously reported, "URA-Inform, in the city of Herat in Afghanistan there was a powerful explosion near the mosque. Ten people died.