- (1) As used in this rule, a “depreciation study” means a study by an energy utility sufficient to allow the Commission to determine the proper and adequate rates of depreciation of the several classes of property of the public utility.
- (2) Each energy utility must file a new depreciation study with the Commission no less frequently than once every five years.
Statutory/Other Authority
ORS. 183, 756 & 757
Statutes/Other Implemented
ORS 756.040, 756.105 & 757.140
History
PUC 3-2015, f. & cert. ef. 8-11-15