Robertson County emergency management posted on their Facebook page the person died after a boiler exploded at the Oak Grove power plant north of Franklin or east of Bremond.
There are no other casualties and the incident is under control.
The coal fired power plant is operated by Luminant, which is a subsidiary of Vistra Corporation.
Luminant issued a statement that the explosion took place during the commissioning of a new auxiliary boiler. The person who died was a contractor employee.
Oak Grove remains in operation and is generating electricity.