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Improving the efficiency of energy assessments with application of lean tools—a case study

  • Raul J. Viera
  • Zahra SardoueinasabEmail author
  • Jim Lee
Review Article
  • 15 Downloads

Abstract

Energy auditing is steadily rising on the list of priorities for companies, and government mandates and restrictions are requiring businesses to become energy conscious. A typical university-based energy auditing program like the Louisiana Smart and Secure Energy Assessment Laboratory (LASSEL) provides useful service to local industries by identifying energy-saving opportunities and by creating energy management plans for the industries. While the energy audit procedure is standardized, it is possible that the use of lean concept can improve the efficiency of the auditing process. This research is a case study which examines how the total task time needed to carry out energy assessments can be reduced using lean tools. In this study, the potential areas of improvement are analyzed using the Pareto analysis and non-value-added activities are identified. To achieve savings in task time, lean tools such as four-step rapid setup, standardized work, and 5S are applied. A revised procedure is developed and the results of using the new procedure can decrease total energy assessment time by an average of 18%. The variation in total energy assessment time measured by range can be reduced by 65%. Using the lean-based procedure, LASSEL is able to serve more industries per period.

Keywords

Energy saving Energy audit Industrial assessment center Value-stream map 5s Four-step rapid setup Process balancing Lean workforce 

Notes

Acknowledgments

This research is partially supported by Louisiana Department of Natural Resources under LADNR Contract no. 2031-14-03, “Smart and Secure Energy Assessment (LASSEA).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringUniversity of Louisiana at LafayetteLafayetteUSA

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