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How to Prioritize Energy Efficiency Intervention in Municipal Public Buildings to Decrease CO2 Emissions? A Case
Filomena Pietrapertosa1, Marco Tancredi2, Michele Giordano2
1Institute of Methodologies for Environmental Analysis-National Research Council of Italy (CNR-IMAA) C.da S. Loja, 85050 Tito Scalo (PZ), Italy.
Summary
Municipal public buildings can achieve significant energy savings and CO2 emission reductions through targeted energy efficiency interventions. A new toolbox aids policymakers in prioritizing cost-effective upgrades for climate goals.
Area of Science:
- Building energy efficiency
- Climate change mitigation
- Public policy
Background:
- The European Union's 2050 climate neutrality goal necessitates reduced energy consumption, particularly in buildings.
- Inefficient technologies in older building stock contribute to significant CO2 emissions and energy waste.
- Building renovation programs are crucial for improving energy performance and optimizing usage.
Purpose of the Study:
- To introduce a toolbox developed within the PrioritEE project for enhancing energy efficiency in Municipal Public Buildings.
- To demonstrate the application of the toolbox, specifically the DSTool online calculator, for prioritizing energy efficiency interventions.
- To support policymakers and technicians in implementing effective energy-saving strategies.
Main Methods:
- Development of a comprehensive toolbox with various tools for energy efficiency analysis.
- Application of the DSTool online calculator to a case study in Potenza Municipality.
- Prioritization of interventions based on cost, energy savings, CO2 reduction, and return on investment.
Main Results:
- The DSTool effectively identified and prioritized energy efficiency interventions for public buildings.
- Implemented improvements in building envelopes, heating, lighting, and photovoltaic systems were analyzed.
- Estimated annual savings of approximately 2050 MWh and a reduction of 644 tons of CO2 emissions were projected.
Conclusions:
- The PrioritEE toolbox and DSTool are effective instruments for guiding energy efficiency investments in public buildings.
- Strategic renovations can lead to substantial energy savings and environmental benefits, supporting climate neutrality goals.
- The study provides a replicable model for municipalities seeking to improve energy performance and reduce their carbon footprint.
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