distribution system asset management, as means to control
risk. Distribution companies are hence increasingly
recognising risk assessment and risk management as
important tools in this context.
This paper reports on experiences from implementing a risk
based maintenance strategy using a maintenance
management system. The paper illustrates benefits which
can be achieved through implementing a risk differentiated
maintenance strategy on a company portfolio of MV/LV
substations, resulting in better risk control in addition to
lower overall cost for the distribution network company.