Customer Interruption Cost Estimations for Distribution System Operators in Finland

Basic There is increasing attention on the estimation of the customer interruption costs. The existing studies adopt indirect analytical methods, customer surveys and case studies to evaluate these costs. This paper makes use of two existing cost estimation techniques and suggests a simple and straightforward methodology which will provide sound and reliable estimations in an objective manner by relying solely on publicly available analytical data, The study is based on 78 Finnish Distribution System Operators' 2016 energy and reliability data. In addition, the standard customer compensation scheme in Finland is briefed and the results are compared with the power interruption cost estimations.