The use of customer outage cost surveys in policy decision-making: The Italian experience in regulating quality of electricity supply

This paper summarizes the objectives, the methodological aspects, and the key results of the survey on customer outages cost conducted in Italy in the year 2003. The paper reports the main findings and the estimated costs for various interruption scenarios. The Italian regulatory regime for quality of electricity supply entered a new regulatory period at the beginning of the year 2004: the paper illustrates the decisions made by the regulator on the basis of the described analysis. Finally, the paper comments on the differences in numerical values that were observed in comparison with other surveys.