Nowadays, microgrid technologies play a relevant role in the research field as well as in the commercial market. The opportunity to provide electricity in wide areas without using centralized electrical infrastructure networks is a reliable key for achieving the European Union sustainability goals. In this regard, the proposed research aims at describing an electric microgrid configuration powered by a photovoltaic system, supplying three school buildings located in the center of Italy. Additionally, the resilience theme is deeply investigated, analyzing the use of an emergency generator system (EGS) in case of electric grid blackouts. MATLAB/Simulink was chosen to simulate the users’ energy demand as well as to calculate the microgrid performance. Results show that almost the total consumption of the microgrid is covered by the photovoltaic system, and the use of an EGS allows energy resilience and moderate economic savings for the community.
Backup diesel generators, community resilience, microgrid, photovoltaic solar energy, renewable sources, school buildings
 Hirscha, A., Paraga, Y. & Guerrerob, J., Microgrids: A review of technologies, key drivers, and outstanding issues. Renewable and Sustainable Energy Reviews, 90, pp 402–411, 2018. https://doi.org/10.1016/j.rser.2018.03.040
 DIRECTIVE (EU) 2018/2001 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 11 December 2018 on promoting the use of energy from renewable sources (recast).
 Williams, N. J., Jaramillo, P., Taneja, J. & Ustun, T. S., Enabling private sector investment in microgrid-based rural electrification in developing countries: a review. Renew Sustain Energy Rev, 52, pp. 1268–1281, 2015. http://dx.doi.org/10.1016/j.rser.2015.07. 153
 Akorede, M. F., Hizam, H. & Pouresmaeil, E., Distributed energy resources and benefits to the environment. Renew Sustain Energy Rev, 14, pp. 724–734, 2010. http://dx.doi.org/ 10.1016/j.rser.2009.10.025
 Bayindir, R., Hossain, E., Kabalci, E. & Perez, R., A comprehensive study on microgrid technology. Int J Renew Energy Res. 4, pp. 1094–1107, 2014.
 Mekhilef, S., Saidur, R. & Safari, A., Comparative study of different fuel cell technologies. Renew Sustain Energy Rev, 16, pp. 981–989, 2012.
 Abusharkh, S., Arnold, R., Kohler, J., Li, R., Markvart, T., Ross, J., et al. Can microgrids make a major contribution to UK energy supply? Renew Sustain Energy Rev, 10, pp. 78–127, 2006.
 Elder, B., Docket No. 39732 e notice of inquiry and workshop to examine issues related to the value of renewable and distributed energy resources in preparations for the 2016 Georgia power company integrated resource plan (IRP). Cary: Keyes, Fox and Wiedman LLP; 2015.
 Thornton, A. & Rodríguez-Monroy, C., Distributed power generation in the United States. Renew Sustain Energy Rev, 15, pp. 4809–4817, 2011. https://doi.org/10.1016/j.rser.2011.07.070
 Mattoni, B., Pompei, L., Losilla, J. C. & Bisegna, F., Planning smart cities: Comparison of two quantitative\multicriteria methods applied to real case studies. Sustainable Cities and Society, 60, 2020.
 Leskarac, D., Moghimi, M., Liu, J., Water, W., Lu, J., Stegen, S., et al. Hybrid AC/DC Microgrid testing facility for energy management in commercial buildings. Energy Build, 174, pp. 563–78, 2018. https://doi.org/10.1016/j.enbuild.2018.06.061
 Kampelis, N., Gobakis, K., Vagias, V., Kolokotsa, D., Standardi, I., Isidori, D., et al. Evaluation of the performance gap in industrial, residential & tertiary near-Zero energy buildings. Energy Build, 148, pp. 58–73, 2017. https://doi.org/10.1016/j.enbuild.2017.03.057
 Gonzalez-Mahecha, R. E., Lucena, A. F. P., Szklo, A., Ferreira, P., Vaz, A. I. F. Optimization model for evaluating on-site renewable technologies with storage in zero/nearly zero energy buildings. Energy Build, 172, pp. 505–516, 2018. https://doi.org/10.1016/j.enbuild.2018.04.027
 Sechilariu, M., Wang, B. & Locment, F. Building-integrated microgrid: advanced local energy management for forthcoming smart power grid communication. Energy Build. 59, pp. 236–243, 2013. https://doi.org/10.1016/j.enbuild.2012.12.039
 Rosales-Asensio, E., de Simón-Martín, M., Borge-Diez, D., Blanes-Peiró, J. J., Colmenar-Santos, A. Microgrids with energy storage systems as a means to increase power resilience: An application to office buildings. Energy, 172, pp. 1005–1015, 2019. https://doi.org/10.1016/j.energy.2019.02.043
 EN 12464-1:2011. Light and lighting - Lighting of work places - Part 1: Indoor work places.
 Decreto ministeriale (Ministero dei lavori pubblici) 18-12-1975. Norme tecniche aggiornate relative all’edilizia scolastica, ivi compresi gli indici di funzionalità didattica, edilizia ed urbanistica, da osservarsi nella esecuzione di opere di edilizia scolastica.
 PVSYST Photovoltaic Software, https://www.pvsyst.com/software-evaluation [Accessed: 8- February-2021].