Oregon Revised Statutes Utility Regulation § 758.455

(1) The Public Utility Commission may make such investigations respecting a contract or an application for the allocation of territory as the commission deems proper including the physical examinations and evaluations of the facilities and systems of the parties to the contract, estimates of their operating costs and revenues and studies of such other information as the commission deems pertinent.

(2) Insofar as applicable and consistent herewith, the provisions of ORS 756.500 to 756.610 shall govern the conduct of hearings.

(3) In considering competing applications to serve the same territory, there shall be a disputable presumption that applicants have an equal ability to extend, improve, enlarge, build, operate and maintain existing or proposed facilities.