Or. Rev. Stat. § 469B.136
(1) In determining the eligibility of any facility for tax credits, preference shall be given to those projects that:
(a) Provide energy savings for real or personal property within the state inhabited as the principal residence of a tenant, including:
(2) The Director of the State Department of Energy shall establish by rule a tiered priority system to be used in evaluating applicants for certification of facilities using or producing renewable energy resources. The tier system shall be based upon the projected costs of facilities. In determining the eligibility for tax credits and in allocating the available certified cost pursuant to section 2 (1), chapter 76, Oregon Laws 2010, among facilities, the director shall subject facilities with higher projected costs to closer scrutiny, shall compare projects of similar costs against each other and may certify less than the total cost of any facility based on this evaluation. The director may employ criteria including the following factors as defined by rule:
[Formerly 469.195]