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Cost-Benefit Analysis for Energy Management in Public Buildings: Four Italian Case Studies

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  • Davide Astiaso Garcia

    (DIAEE—Department of Astronautic, Electric and Energetic Engineering, Sapienza University, Corso Vittorio Emanuele II 244, 00186 Rome, Italy
    These authors contributed equally to this work.)

  • Fabrizio Cumo

    (CITERA—Interdisciplinary Centre for Housing, Heritage and Environment, Sapienza University, Via Gramsci 53, 00197 Rome, Italy
    These authors contributed equally to this work.)

  • Mariagrazia Tiberi

    (DIAEE—Department of Astronautic, Electric and Energetic Engineering, Sapienza University, Corso Vittorio Emanuele II 244, 00186 Rome, Italy
    These authors contributed equally to this work.)

  • Valentina Sforzini

    (DIAEE—Department of Astronautic, Electric and Energetic Engineering, Sapienza University, Corso Vittorio Emanuele II 244, 00186 Rome, Italy
    These authors contributed equally to this work.)

  • Giuseppe Piras

    (DIAEE—Department of Astronautic, Electric and Energetic Engineering, Sapienza University, Corso Vittorio Emanuele II 244, 00186 Rome, Italy
    These authors contributed equally to this work.)

Abstract

Improving energy efficiency in public buildings is one of the main challenges for a sustainable requalification of energy issues and a consequent reduction of greenhouse gas (GHG) emissions. This paper aims to provide preliminary information about economic costs and energy consumption reductions (benefits) of some considered interventions in existing public buildings. Methods include an analysis of some feasible interventions in four selected public buildings. Energy efficiency improvements have been assessed for each feasible intervention. The difference of the building global energy performance index ( EP gl ) has been assessed before and after each intervention. Economic costs of each intervention have been estimated by averaging the amount demanded by different companies for the same intervention. Results obtained show economic costs and the EP gl percentage improvement for each intervention, highlighting and allowing for the comparison of energy consumption reduction and relative economic costs. The research results come from data gathered from four public buildings, and as such they could not be used to generically identify cost-beneficial energy efficiency interventions for every context or building type. However, the data reveals useful cost based considerations for selecting energy efficiency interventions in other public buildings.

Suggested Citation

  • Davide Astiaso Garcia & Fabrizio Cumo & Mariagrazia Tiberi & Valentina Sforzini & Giuseppe Piras, 2016. "Cost-Benefit Analysis for Energy Management in Public Buildings: Four Italian Case Studies," Energies, MDPI, vol. 9(7), pages 1-17, July.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:7:p:522-:d:73536
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    References listed on IDEAS

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