Miss. Code § 43-35-37
In so far as the provisions of this article are inconsistent with the provisions of any other law, the provisions of this article shall be controlling. The powers conferred by this article shall be in addition and supplemental to the powers conferred by any other law. Nothing contained in this article shall be construed to amend, repeal or supersede the provisions of the Public Utility Law of 1956, Sections 77-3-1 through 77-3-89, Mississippi Code of 1972, nor to authorize the construction or operation of utility facilities where reasonably adequate services are being provided by an existing utility. Nothing contained in this article shall be construed to authorize the taking of private property for any purpose other than necessary public use.
Miss. Code § 43-35-37