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Article

Solar Energy in Urban Planning: Lesson Learned and Recommendations from Six Italian Case Studies

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Department of Architecture and Technology, Norwegian University of Science and Technology, Alfred Getz vei 3, 7491 Trondheim, Norway
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EURAC Research, Institute for Renewable Energy, Via Druso 1, 39100 Bolzano, Italy
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Department of Civil, Environmental and Architectural Engineering, Università degli Studi di Padova, Via Marzolo 9, 35131 Padua, Italy
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Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Largo Enrico Fermi 1, 80055 Portici, Italy
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Department of Architecture Built Environment and Construction Engineering, Politecnico di Milano, Via G. Ponzio 31, 20133 Milan, Italy
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Department of Civil and Environmental Engineering, Norwegian University of Science and Technology, Høgskoleringen 7a, 7491 Trondheim, Norway
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Author to whom correspondence should be addressed.
Academic Editor: Salvatore Vasta
Appl. Sci. 2022, 12(6), 2950; https://doi.org/10.3390/app12062950
Received: 13 February 2022 / Revised: 2 March 2022 / Accepted: 9 March 2022 / Published: 14 March 2022
This paper presents the results of the analysis conducted on six case studies related to solar energy integration in urban and rural environments located on the Italian territory. The analysis has been carried out within the Subtask C—Case Studies and Action Research of the International Energy Agency Solar Heating and Cooling Program Task 51 “Solar Energy in Urban Planning”. Three different environments hosting active and passive solar energy systems (existing urban areas, new urban areas, and agricultural/rural areas) have been investigated to attain lessons learned and recommendations. Findings suggest that (a) it is important to consider solar energy from the early stages of the design process onwards to achieve satisfactory levels of integration; (b) a higher level of awareness regarding solar potential at the beginning of a project permits acting on its morphology, achieving the best solution in terms of active and passive solar gains; (c) when properly designed, photovoltaic systems can act as characterizing elements and as a distinctive architectural material that is able to valorize the aesthetic of the entire urban intervention; (d) further significant outcomes include the importance of supporting the decision strategies with quantitative and qualitative analyses, the institution of coordinating bodies to facilitate the discussion between stakeholders, and the need for deep renovation projects to fully impact existing buildings’ stock; (e) when large solar installations are planned at the ground level, a landscape design approach should be chosen, while the ecological impact should be reduced by carefully planning the adoption of alternative solutions (e.g., agrivoltaics) compatible with the existing land use. View Full-Text
Keywords: solar energy; urban planning; active solar systems; passive solar strategies; Italian case studies; agrivoltaics solar energy; urban planning; active solar systems; passive solar strategies; Italian case studies; agrivoltaics
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MDPI and ACS Style

Formolli, M.; Croce, S.; Vettorato, D.; Paparella, R.; Scognamiglio, A.; Mainini, A.G.; Lobaccaro, G. Solar Energy in Urban Planning: Lesson Learned and Recommendations from Six Italian Case Studies. Appl. Sci. 2022, 12, 2950. https://doi.org/10.3390/app12062950

AMA Style

Formolli M, Croce S, Vettorato D, Paparella R, Scognamiglio A, Mainini AG, Lobaccaro G. Solar Energy in Urban Planning: Lesson Learned and Recommendations from Six Italian Case Studies. Applied Sciences. 2022; 12(6):2950. https://doi.org/10.3390/app12062950

Chicago/Turabian Style

Formolli, Matteo, Silvia Croce, Daniele Vettorato, Rossana Paparella, Alessandra Scognamiglio, Andrea G. Mainini, and Gabriele Lobaccaro. 2022. "Solar Energy in Urban Planning: Lesson Learned and Recommendations from Six Italian Case Studies" Applied Sciences 12, no. 6: 2950. https://doi.org/10.3390/app12062950

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