To address the climate crisis, it is essential to promote the decarbonization of the energy sector. In this context, a methodology is proposed to accelerate the installation of photovoltaic (PV) systems, thereby supporting the production of renewable and low-emission energy. Specifically, the study identifies suitable areas for the installation of PV systems on industrial rooftops and on the ground, focusing on the Lombardy region. The selection of areas was carried out in compliance with current national and regional regulations, complemented by insights collected through interviews with representatives of the energy industry. Operationally, several geospatial data layers were downloaded and processed from publicly accessible geoportals to identify areas meeting the regulatory criteria. Suitable surfaces mainly include agricultural areas near highways and industrial sites, as well as abandoned quarries and contaminated sites, whereas unsuitable areas correspond primarily to zones subject to landscape, cultural, and environmental restrictions, buffer zones, and areas at hydrogeological risk. Since no spatial data on the presence of rooftop PV panels were available, a dedicated information layer was developed to represent the probability of such installations on industrial roofs. For this purpose, Sentinel-2 satellite imagery and a classification method based on three spectral indices were employed. This layer allows the exclusion of already occupied rooftops from the analysis and serves as a proxy for the suitability of the electrical grid to accommodate locally generated power. The proposed methodology acts as a decision-support tool for energy companies in the planning and installation of photovoltaic systems and can be easily scaled to other Italian regions.
Per affrontare la crisi climatica è fondamentale promuovere la decarbonizzazione del settore energetico. In questa prospettiva, si propone una metodologia per accelerare l’installazione di impianti fotovoltaici, favorendo la produzione di energia da fonti rinnovabili e a basse emissioni. Nello specifico, lo studio ha individuato le aree idonee all’installazione di impianti fotovoltaici su coperture industriali e al suolo, con riferimento al territorio della Lombardia. La selezione delle aree è stata condotta nel rispetto delle normative nazionali e regionali vigenti, integrate dalle indicazioni raccolte tramite interviste a rappresentanti dell’industria energetica. Operativamente, sono stati scaricati ed elaborati diversi strati informativi provenienti da geoportali ad accesso pubblico, al fine di identificare le aree conformi ai criteri normativi. Le superfici idonee risultano comprendere principalmente aree agricole prossime a infrastrutture viarie e siti industriali, cave dismesse e siti contaminati, mentre quelle non idonee corrispondono soprattutto a zone soggette a vincoli paesaggistici, culturali, ambientali, fasce di rispetto e aree a rischio idrogeologico. Poiché non erano disponibili dati spaziali sulla presenza di pannelli fotovoltaici su tetti industriali, è stato sviluppato un layer informativo dedicato, che rappresenta la probabilità di presenza di tali impianti. A tal fine, sono state utilizzate immagini satellitari Sentinel-2 e una metodologia di classificazione basata su tre indici spettrali. Questo layer consente di escludere dalle analisi i tetti già occupati da pannelli e funge da proxy dell’idoneità della rete elettrica per l’immissione di energia prodotta localmente. La metodologia proposta si configura come uno strumento di supporto alle decisioni per le compagnie energetiche nella pianificazione e installazione di impianti fotovoltaici, risultando facilmente scalabile ad altre regioni italiane.
Analisi di dati geospaziali e satellitari per identificare le aree idonee al fotovoltaico in Lombardia
Tricomi, Elisa
2024/2025
Abstract
To address the climate crisis, it is essential to promote the decarbonization of the energy sector. In this context, a methodology is proposed to accelerate the installation of photovoltaic (PV) systems, thereby supporting the production of renewable and low-emission energy. Specifically, the study identifies suitable areas for the installation of PV systems on industrial rooftops and on the ground, focusing on the Lombardy region. The selection of areas was carried out in compliance with current national and regional regulations, complemented by insights collected through interviews with representatives of the energy industry. Operationally, several geospatial data layers were downloaded and processed from publicly accessible geoportals to identify areas meeting the regulatory criteria. Suitable surfaces mainly include agricultural areas near highways and industrial sites, as well as abandoned quarries and contaminated sites, whereas unsuitable areas correspond primarily to zones subject to landscape, cultural, and environmental restrictions, buffer zones, and areas at hydrogeological risk. Since no spatial data on the presence of rooftop PV panels were available, a dedicated information layer was developed to represent the probability of such installations on industrial roofs. For this purpose, Sentinel-2 satellite imagery and a classification method based on three spectral indices were employed. This layer allows the exclusion of already occupied rooftops from the analysis and serves as a proxy for the suitability of the electrical grid to accommodate locally generated power. The proposed methodology acts as a decision-support tool for energy companies in the planning and installation of photovoltaic systems and can be easily scaled to other Italian regions.| File | Dimensione | Formato | |
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https://hdl.handle.net/10589/247066