How to Prioritize Energy Efficiency Intervention in Municipal Public Buildings to Decrease CO2 Emissions? A Case Study from Italy
Abstract
:1. Introduction
2. Data and Methods
2.1. The PrioritEE Toolbox
2.2. The Case Study of Potenza Municipality
- The reduction in CO2 emissions (and possibly other greenhouse gases) on the territory of the signatory municipalities by at least 40% by 2030, by improving energy efficiency and greater use of renewable energy sources
- An increased resilience to the negative effects of climate change.
- Developing a methodology to help the municipal administration to elaborate a Local Energy Action Plan to improve energy efficiency (EE) and support renewable energy (RES) in municipal public buildings
- Characterizing the Municipal building stock, their energy consumptions and CO2 emissions by the application of the PrioritEE DSTool to prioritize EE and RES interventions
- Identifying feasible policy measures on short, medium and long term, drawing up a Local Action Plan
- Enabling a coordinated involvement of building users to facilitate and improve the implementation of strategic measures for the reduction in energy consumption in public buildings.
3. Results and Discussion
3.1. The Selection of EE and RES Interventions
- Thermal insulation of external walls;
- Replacement of windows;
- Thermal insulation of roof;
- Installation of a ventilation system;
- Installation of a more efficient heating system;
- Installation of a more efficient cooling system;
- Installation of a more efficient lighting system;
- Installation of a solar hot water system;
- Installation of a photovoltaic (PV) system.
- Renewal of the lighting system, PV installation in all buildings;
- Thermal insulation of the external walls in eight educational buildings;
- Roof insulation in seven educational buildings;
- Replacement of the heating system in two educational buildings.
3.2. The Local Action Plan of the Municipality of Potenza
- ACTION #1: Renovation of the lighting system;
- ACTION #2: Replacement of the heating system and installation of PV;
- ACTION #3: Insulation of the external walls and roofs.
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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List of MPBs | Building Typology | Total Heated Area (m2) | Number of Floors | Year of Construction | Number of Users | Working Hours Per Year |
---|---|---|---|---|---|---|
1. City Hall | Office | 974 | 4 | 1903 | 36 | 3432 |
2. Council Building | Office | 335 | 3 | 1925 | 35 | 3432 |
3. Mobility Center | Office | 6305 | 5 | 1988 | 171 | 1872 |
4. Municipal Offices | Office | 3619 | 4 | 1975 | 184 | 1872 |
5. Leopardi-Kindergarten | School | 720 | 1 | 1981 | 150 | 2100 |
6. Sinisgalli-Kindergarten | School | 773 | 1 | 1984 | 150 | 2100 |
7. Sinisgalli-Middle School | School | 2000 | 2 | 1984 | 378 | 2100 |
8. Busciolano-Primary School (Giuliano) | School | 1514 | 1 | 1959 | 150 | 2100 |
9. Busciolano-Middle School (Via Sicilia) | School | 1920 | 3 | 1969 | 491 | 2100 |
10. Busciolano-Kindergarten (San Nicola) | School | 712 | 1 | 1993 | 500 | 2100 |
11. Busciolano-Primary School (Avigliano scalo) | School | 336 | 2 | 1968 | 61 | 2100 |
12. Savio-Middle School | School | 2700 | 3 | 1942 | 615 | 2100 |
13. Savio-Primary School | School | 1496 | 2 | 1942 | 500 | 2100 |
14. Milani-kindergarten (Via Ionio) | School | 1430 | 1 | 1983 | 150 | 2100 |
15. Milani-Kindergarten (Rossellino) | School | 516 | 2 | 1968 | 49 | 2100 |
16. Milani-Middle School (Via Tirreno) | School | 869 | 2 | 1977 | 255 | 2100 |
17. Milani- Primary and Middle School (Via Bramante) | School | 1640 | 1 | 1994 | 255 | 2100 |
18. Torraca-Kindergarten | School | 480 | 2 | 1980 | 74 | 2100 |
19. Torraca-Primary School (D. Viola) | School | 356 | 3 | 1973 | 114 | 2100 |
20. Torraca-Primary School (18 Agosto Square) | School | 1179 | 3 | 1888 | 255 | 2100 |
21. Leopardi-Primary School (Rodari) | School | 1385 | 3 | 1981 | 255 | 2100 |
22. Leopardi-Primary and Middle schools | School | 2700 | 3 | 1975 | 275 | 2100 |
23. La Vista-Primary School | School | 856 | 1 | 1976 | 216 | 2100 |
24. La Vista-Middle School | School | 2027 | 2 | 1976 | 255 | 2100 |
25. La Vista-Kindergarten | School | 1089 | 1 | 1981 | 150 | 2100 |
Buildings/IntervEntions | a. External Walls | b. Windows | c. Roof | d. VentilatIon System | e. Heating System | f. Cooling System | g. Lighting System | h. Solar Hot Water | i. PV |
---|---|---|---|---|---|---|---|---|---|
Heat (kWh) | Electricity (kWh) | ||||||||
City Hall | 52,964 | 8946 | 13,565 | 1694 | 0 | −5490 | 25,954 | 0 | 11,096 |
Council Building | 22,636 | 3087 | 4599 | 687 | 0 | −1890 | 8928 | 0 | 3192 |
Mobility Center | 172,133 | 9243 | 44,145 | 5506 | 0 | −35,466 | 72,906 | 0 | 167,757 |
Offices | 131,560 | 37,435 | 33,744 | 4209 | 0 | −20,363 | 41,851 | 0 | 41,268 |
Leopardi-Kindergarten | 10,395 | 1822 | 1599 | 798 | 0 | −1197 | 9686 | 0 | 5472 |
Sinisgalli-Kindergarten | 57,005 | 10,014 | 8793 | 4376 | 0 | −503 | 10,400 | 0 | 5890 |
Sinisgalli-Middle School | 130,096 | 29,529 | 26,335 | 10,513 | 0 | −4208 | 26,907 | 0 | 44,333 |
Busciolano-Primary School (Giuliano) | 92,080 | 16,147 | 14,176 | 7069 | 14,966 | −1153 | 20,369 | 0 | 11,514 |
Busciolano-Middle School (Via Sicilia) | 90,606 | 21,126 | 18,341 | 10,460 | 0 | −3131 | 25,831 | 0 | 18,240 |
Busciolano-Kindergarten (San Nicola) | 50,877 | 8943 | 7805 | 4185 | 0 | −1278 | 9579 | 0 | 5396 |
Busciolano-Primary School (Avigliano scalo) | 18,177 | 4185 | 3682 | 1785 | 3500 | −505 | 4520 | 0 | 3192 |
Savio-Middle School | 269,943 | 61,272 | 54,644 | 21,815 | 0 | −6745 | 36,324 | 0 | 25,650 |
Savio-Primary School | 56,239 | 12,767 | 11,386 | 4545 | 0 | −5792 | 20,126 | 0 | 14,212 |
Milani-kindergarten (Via Ionio) | 101,642 | 17,812 | 15,637 | 7803 | 0 | −997 | 19,238 | 0 | 10,868 |
Milani-Kindergarten (Rossellino) | 65,871 | 15,365 | 13,340 | 7608 | 0 | −698 | 6942 | 0 | 4902 |
Milani-Middle School (Via Tirreno) | 37,310 | 8532 | 7540 | 3444 | 0 | −971 | 11,691 | 0 | 8246 |
Milani-Primary and Middle School (Via Bramante) | 53,434 | 9809 | 8221 | 6593 | 0 | −829 | 22,064 | 0 | 12,464 |
Torraca-Kindergarten | 14,796 | 3389 | 2995 | 1366 | 0 | −2439 | 6458 | 0 | 4560 |
Torraca-Primary School (D. Viola) | 10,427 | 2432 | 2112 | 1203 | 0 | −1806 | 4783 | 0 | 3382 |
Torraca-Primary School (18 Agosto Square) | 66,445 | 15,505 | 13,462 | 7671 | 0 | −945 | 15,862 | 0 | 11,210 |
Leopardi-Primary School (Rodari) | 75,396 | 17,099 | 15,248 | 6092 | 0 | −1277 | 18,633 | 0 | 13,148 |
Leopardi-Primary and Middle schools | 166,003 | 37,680 | 33,604 | 13,415 | 0 | −1331 | 36,324 | 0 | 25,650 |
La Vista-Primary School | 85,675 | 15,166 | 13,165 | 7517 | 0 | −1075 | 11,516 | 0 | 6498 |
La Vista-Middle School | 193,074 | 43,837 | 39,096 | 15,600 | 0 | −2546 | 27,270 | 0 | 19,266 |
La Vista-Kindergarten | 111,614 | 19,577 | 17,187 | 8569 | 0 | −1368 | 14,651 | 0 | 8284 |
Buildings/Interventions | Investment Costs (EUR) | ||||||||
---|---|---|---|---|---|---|---|---|---|
a. External Walls | b. Windows | c. Roof | d. Ventilation System | e. Heating System | f. Cooling System | g. Lighting System | h. Solar Hot Water | i. PV | |
City Hall | 62,500 | 90,155 | 13,961 | 5000 | 8120 | 3260 | 18,270 | 0 | 12,167 |
Council Building | 25,000 | 25,935 | 4016 | 5000 | 3724 | 1122 | 6285 | 0 | 3500 |
Mobility Center | 212,500 | 449,350 | 80,410 | 18,750 | 42,033 | 21,058 | 118,219 | 0 | 183,944 |
Offices | 125,000 | 257,925 | 34,616 | 18,750 | 30,161 | 12,090 | 67,862 | 0 | 45,250 |
Leopardi-Kindergarten | 25,000 | 34,200 | 4590 | 5000 | 24,000 | 711 | 13,500 | 0 | 6000 |
Sinisgalli-Kindergarten | 25,000 | 36,813 | 4941 | 5000 | 25,767 | 299 | 14,494 | 0 | 6458 |
Sinisgalli-Middle School | 75,000 | 118,750 | 21,250 | 8750 | 33,333 | 2499 | 37,500 | 0 | 48,611 |
Busciolano-Primary School (Giuliano) | 62,500 | 71,963 | 9659 | 6250 | 50,467 | 684 | 28,388 | 0 | 12,625 |
Busciolano-Middle School (Via Sicilia) | 62,500 | 114,000 | 15,300 | 7500 | 21,333 | 1859 | 36,000 | 0 | 20,000 |
Busciolano-Kindergarten (San Nicola) | 25,000 | 33,725 | 4526 | 5000 | 23,733 | 759 | 13,350 | 0 | 5917 |
Busciolano-Primary School (Avigliano scalo) | 12,500 | 19,950 | 2678 | 5000 | 5600 | 300 | 6300 | 0 | 3500 |
Savio-Middle School | 100,000 | 160,313 | 21,516 | 21,250 | 30,000 | 4005 | 50,625 | 0 | 28,125 |
Savio-Primary School | 50,000 | 88,825 | 11,921 | 5000 | 24,933 | 3439 | 28,050 | 0 | 15,583 |
Milani-kindergarten (Via Ionio) | 50,000 | 67,925 | 9116 | 7500 | 47,667 | 592 | 26,813 | 0 | 11,917 |
Milani-Kindergarten (Rossellino) | 12,500 | 30,638 | 4113 | 8750 | 8600 | 415 | 9675 | 0 | 5375 |
Milani-Middle School (Via Tirreno) | 25,000 | 51,538 | 6918 | 5000 | 14,483 | 577 | 16,294 | 0 | 9042 |
Milani-Primary and Middle School (Via Bramante) | 62,500 | 77,900 | 10,455 | 5000 | 54,667 | 492 | 30,750 | 0 | 13,667 |
Torraca-Kindergarten | 12,500 | 28,500 | 3825 | 5000 | 8000 | 1448 | 9000 | 0 | 5000 |
Torraca-Primary School (D. Viola) | 12,500 | 21,138 | 2838 | 5000 | 3950 | 1073 | 6666 | 0 | 3708 |
Torraca-Primary School (18 Agosto Square) | 37,500 | 70,063 | 9404 | 6250 | 13,100 | 561 | 22,106 | 0 | 12,292 |
Leopardi-Primary School (Rodari) | 50,000 | 82,175 | 11,029 | 6250 | 15,389 | 758 | 25,969 | 0 | 14,417 |
Leopardi-Primary and Middle schools | 100,000 | 160,313 | 21,516 | 18,750 | 30,000 | 790 | 50,625 | 0 | 28,125 |
La Vista-Primary School | 37,500 | 40,613 | 5451 | 7500 | 28,533 | 638 | 16,050 | 0 | 7125 |
La Vista-Middle School | 75,000 | 120,413 | 16,161 | 18,750 | 33,783 | 1512 | 38,006 | 0 | 21,125 |
La Vista-Kindergarten | 37,500 | 51,775 | 6949 | 8750 | 36,300 | 812 | 20,419 | 0 | 9083 |
Actions | Savings (kWh) | Reduction of CO2 Emissions (t/year) | Investment (EUR) |
---|---|---|---|
#1 | 508,812 | 191.31 (5.86%) | 711,214 |
#2 | 492,570 | 278.45 (8.53%) | 588,622 |
#3 | 1,048,730 | 173.80 (5.33%) | 429,026 |
Total | 2,050,112 | 643.56 (19.72%) | 1,728,863 |
Actions | Implementation Timeframe | ||
---|---|---|---|
Short (2020) | Intermediate (2021) | Medium (2022) | |
#1 | X | ||
#2 | X | ||
#3 | X |
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Pietrapertosa, F.; Tancredi, M.; Giordano, M.; Cosmi, C.; Salvia, M. How to Prioritize Energy Efficiency Intervention in Municipal Public Buildings to Decrease CO2 Emissions? A Case Study from Italy. Int. J. Environ. Res. Public Health 2020, 17, 4434. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17124434
Pietrapertosa F, Tancredi M, Giordano M, Cosmi C, Salvia M. How to Prioritize Energy Efficiency Intervention in Municipal Public Buildings to Decrease CO2 Emissions? A Case Study from Italy. International Journal of Environmental Research and Public Health. 2020; 17(12):4434. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17124434
Chicago/Turabian StylePietrapertosa, Filomena, Marco Tancredi, Michele Giordano, Carmelina Cosmi, and Monica Salvia. 2020. "How to Prioritize Energy Efficiency Intervention in Municipal Public Buildings to Decrease CO2 Emissions? A Case Study from Italy" International Journal of Environmental Research and Public Health 17, no. 12: 4434. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17124434