Missouri Public Service Commission v. Missouri Interstate Gas, LLC

JOSEPH M. ELLIS, Judge.

The Missouri Public Service Commission (“MoPSC”) appeals the dismissal of its petition for preliminary and permanent injunction against Respondents on the basis of federal preemption. Respondents are affiliated companies involved in the transportation and sale of natural gas: Missouri Interstate Gas, LLC (“MIG”); Missouri Pipeline Company, LLC (“MPC”); Missouri Gas Company, LLC (“MGC”); United Pipeline Systems, LLC (“United”); and Gateway Pipeline Company, LLC (“Gateway”) (together, “the Pipelines”). MIG, MPC and MGC are wholly-owned subsidiaries of United, which is a…