BiPV and Refurbishment of minor historical centers

Bonomo, Pierluigi and De Berardinis, Pierluigi (2013) BiPV and Refurbishment of minor historical centers. In: IAHS XXXIX World Congress on Housing, 17-20 Sep 2013, Milan, Italy.

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One of the main challenges for sustainability in the next years will be the retrofit of existing heritage. Even the most ancient settlements, to avoid the definitive neglect, will have to be opened towards a “contemporary” logic of refurbishment including a “right” technological contribution as well as an environmentally aware reflection, aimed to establish a deeper dialog with material, water and energetic-climatic resources. In Italian territories hit by earthquake, this challenge is already today a potential for the life return: BIPV (Building Integrated Photovoltaic), or in general PV integration, is one of the possible ways that needs to be faced without ideological preclusions within an eco-sustainable refurbishment approach. The research path is aimed to research possible criteria, compatible tools and examples for the technological transfer of solar systems in the refurbishment processes of minor historical centres. The photovoltaic "integration project" in sensitive areas, differently from ordinary contexts, needs a specific methodological approach linked to the topics of "controlled transformation" and "compatibility of integration". The typical design complexity in these contexts has so far paid a widespread prohibition with few realized examples, although the research has already showed a possible "acceptance" even in areas with high values. The study presented deepens the topic of '"photovoltaic integrability", as an opportunity for a "possible" and "duty" innovative refurbishment of the historical minor built. The research specifically identifies, for different scales of intervention, possible integration ways of solar systems in the process of reconstruction in L’Aquila, starting from some methodological criteria previously defined for the architectural language control and for the technological requirements of PV components. The outcome of this research could be the introduction of criteria for PV integration in the reconstruction process. This research, once completed and shared (e.g. through guide-lines, tools, quantitative evaluations…), could be a basic instrument for local authorities and operators, to guide the reconstruction policy of the next years on a path of energetic innovation, at the same time eco-friendly, technologically advanced and in full respect of historical, environmental and landscape values of these places.

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