The fraud of electricity is a source of great non-technical losses
and are a serious problem of functioning power distribution systems.
This problem is especially visible in developing countries,
countries in transition and generally in countries with low national
income per capita. Furthermore, inspections of customer’s measuring
points are usually unprepared and unsophisticated which
results low rate in discovering the fraud. The purpose of this paper
is to promote statistical process control (SPC) strategy for detection
of suspicious electricity customers.