Depreciation Factor Table - Photovoltaic Systems

​2025 Schedule of Percentages Applied to Historical Costs in Estimating Photovoltaic Systems

Each depreciation percentage listed below was developed as a result of a lifting study, performed by the California Assessor's Association Ad Hoc Valuation Committee, of Photovoltaic Systems.

YearPhotovoltaic Systems - PV25
2​02498
202397
202294
202194
202090
201989
201885
201778
201674
201567
201462
201353
201242
201134
201030
2009
25
200821
200720
200619
200519
200416
200314
200212
200111
2​00010
199910
199810
199710
199610