Mountain Fuel Supply Co. v. Public Service Commission of Wyoming

THOMAS, Justice.

This appeal is taken from a rate-increase order entered by the Public Service Commission of Wyoming (PSC) which was affirmed by the district court. Mountain Fuel Supply Company (Mountain Fuel) complains that the PSC should not have included revenue from an off-system sale of gas in determining revenue for the selected test year; that the PSC should not have adopted an adjusted historic year as a test year, but instead should have adopted a hypothetical projected year as a test year; and that the PSC unlawfully delegated to its staff the determination of a just and reasonable…