Reducing the interruption of power distribution: A six sigma application

This paper presents a Six Sigma approach for reducing the interruption in power distribution. The objective is to improve the overall service, reduce operating costs, and to increase customer satisfaction. A case study of current interruption in power distribution at a local utility company is used to illustrate the Six Sigma application. The company has been experiencing unexpected increase in power interruption in terms of frequency and duration. The Six Sigma DMAIC process was utilized to investigate the problem, analyze its various variables, and recommend specific action plan for improvement. The paper also presents the tools and techniques used in the DMAIC process to reduce power interruption and improve the overall service level.