Oregon Revised Statutes Revenue and Taxation § 315.356

(1) If a taxpayer obtains a grant from the federal government in connection with a facility that has been certified by the Director of the State Department of Energy, the total cost of the facility shall be reduced on a dollar for dollar basis. Any income or excise tax credits that the taxpayer would be entitled to under ORS 285C.540 to 285C.559, 315.341, 315.354 and 469B.130 to 469B.169 after any reduction described in this subsection may not be reduced by the federal grant. A taxpayer applying for a federal grant shall notify the Department of Revenue by certified mail within 30 days after each application, and after the receipt of any grant.

(2) A taxpayer, or an applicant who is otherwise eligible, is eligible to participate in both this tax credit program and low interest, government-sponsored loans.

(3) A taxpayer who receives a tax credit or property tax relief on a pollution control facility or an alternative energy device under ORS 307.405, 315.304 or 316.116 is not eligible for a tax credit on the same facility or device under ORS 285C.540 to 285C.559, 315.341, 315.354 and 469B.130 to 469B.169.