Tennessee Code Title 64. Regional Authorities § 64-6-103

(a) In order for a site to be considered for certification as a megasite, the site should generally consist of a minimum of one thousand (1,000) contiguous acres; provided, however, that, in addition to the one thousand (1,000) acres of contiguous property, other proximate but noncontiguous property may be a part of the megasite. Certification of a site shall be pursuant to a process approved by the commissioner of economic and community development.

(b) The commissioner of economic and community development may approve a proposed megasite certification process as being consistent with this chapter when the determination of suitability and availability of a site for development is based upon, but not limited to, consideration of zoning, location, transportation access, utilities access, topography, geotechnical characteristics, environmental review, title and community support.

(c) Certification of a site as constituting a megasite pursuant to an approved process shall be filed with the commissioner and shall be deemed conclusive.