This state-of-the-art report is intended for use by engineers when evaluating criteria whereby prestressed concrete structures and members can be protected from corrosion by means of cathodic protection (CP). Throughout this report reference is made to pertinent, available standards. Of particular relevance are NACE Standards RP0187, RP0290, and RP0390. Under certain circumstances, the CP system can either become a structural element or significantly affect the serviceability or structural performance of the prestressed concrete element. Therefore, a review of such impact from the CP system is typically made by a registered structural engineer.