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

Davide Astiaso Garcia, Fabrizio Cumo, Mariagrazia Tiberi, Valentina Sforzini and Giuseppe Piras
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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
Fabrizio Cumo: CITERA—Interdisciplinary Centre for Housing, Heritage and Environment, Sapienza University, Via Gramsci 53, 00197 Rome, Italy
Mariagrazia Tiberi: DIAEE—Department of Astronautic, Electric and Energetic Engineering, Sapienza University, Corso Vittorio Emanuele II 244, 00186 Rome, Italy
Valentina Sforzini: DIAEE—Department of Astronautic, Electric and Energetic Engineering, Sapienza University, Corso Vittorio Emanuele II 244, 00186 Rome, Italy
Giuseppe Piras: DIAEE—Department of Astronautic, Electric and Energetic Engineering, Sapienza University, Corso Vittorio Emanuele II 244, 00186 Rome, Italy

Energies, 2016, vol. 9, issue 7, 1-17

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.

Keywords: cost-benefit analysis; energy efficiency; public buildings; trigeneration plant; thermostatic valves; geothermal plant; building envelope; retrofitting; energy demand savings (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (15)

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