State Ex Rel. Atmos Energy Corp. v. Public Service Commission of the State

STEPHEN N. LIMBAUGH, JR., Chief Justice.

Atmos Energy Corporation (Atmos); Missouri Gas Energy (MGE); Laclede Gas Company (Laclede); Trigen-Kansas City Energy Corporation (Trigen); Ameren Corporation (Ameren); and Union Electric Company (UE), d/b/a AmerenUE, appeal the judgment of the Circuit Court of Cole County affirming the final orders of rule-making of the Missouri Public Service Commission (PSC), promulgating several rules that regulate transactions between certain public utilities and their affiliates. Appellants contest the validity of the rules by challenging the authority of the PSC…