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Energy Efficiency Management Protocol in the Large Scale Retail

[+] Author Affiliations
Diego Di Palma, Marco Lucentini, Flavio Rottenberg

Sapienza University of Rome, Rome, Italy

Paper No. IMECE2011-63408, pp. 293-303; 11 pages
  • ASME 2011 International Mechanical Engineering Congress and Exposition
  • Volume 4: Energy Systems Analysis, Thermodynamics and Sustainability; Combustion Science and Engineering; Nanoengineering for Energy, Parts A and B
  • Denver, Colorado, USA, November 11–17, 2011
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5490-7
  • Copyright © 2011 by ASME


The paper presents the results of a two years research on the field of energy management systems. These systems range from the largest ones found in industrial plants down to the smallest utilized by the residential consumers. The goal is to define an energy management system specific to supermarkets sector including hypermarkets operating in large scale retail. The need to ensure continuity and quality of energy services, the high energy consumptions, the complexity of operation and maintenance facilities and, in general, the lack of strategies in energy end uses are just some of the reasons that have oriented the research in this sector. On the other hand, the groups operating in the large-scale retail, in order to contain costs, have always walked the path of maximum standardization of plants characteristics or, in most cases, the implementation of economy of scale in purchasing and maintenance; strategies not sufficient to ensure real savings considering the rising costs of energy. The starting points of the research have been some energy efficiency actions applicable to this type of consumers: buildings and facilities design, optimization of energy purchasing, management of maintenance, monitoring and collecting energy data, promotion of best practices in end uses, energy benchmarking, etc. For the purpose an energy audit was developed in the biggest supermarket and hypermarket chain in Italy during the last two years; the results led to the implementation of an operative protocol that makes possible to achieve energy savings in excess of 20%. The large number of supermarkets analyzed, the rigorous approach to the measurement and the monitoring of energy data, the possibility to verify the results in a ongoing way and the use of simulation models and software, permit a feasible extension to similar contexts.

Copyright © 2011 by ASME



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