Miss. Code Ann. § 77-3-107

The commission is fully empowered and authorized to promulgate rules and regulations as may be necessary to effectuate the provisions of this article, which may include a preference for ownership, in whole or in part, of a generating facility by an investor-owned electric public utility operating in the State of Mississippi or by an electric public utility owning and operating generation and transmission facilities in the State of Mississippi that, prior to January 1, 2008, was organized under Chapter 184, Laws of 1936, and was comprised of corporate members each of which is an electric power association under Chapter 184.