Tenn. Code § 7-54-102
A municipality has the power to construct, own, operate, or maintain within its corporate limits or within the limits of the county wherein it is located, an existing or planned energy production facility or facilities. The construction of such facility or facilities may include all necessary real and personal property, any land that may be required for an alternate means for the disposal of solid waste, rights-of-way, easements, buildings, and all other appurtenances usual to such facilities, as well as the building of all necessary means of transportation or transmission of energy and including obtaining all necessary rights-of-way or easements as necessary. A municipality also has the power to acquire, hold, use, lease, as lessor or lessee, sell or otherwise dispose of any energy production facility and to enter into agreements with any person for the operation of such facility.
T.C.A. § 7-54-102