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Measuring the landscape benefits of the burial of high voltage power lines. A choice experiment

pubblicazioni - Articolo

Measuring the landscape benefits of the burial of high voltage power lines. A choice experiment

Le linee aeree di alta tensione sono tra le infrastrutture con il maggior impatto sulla qualità del paesaggio.. In questo studio, tramite la tecnica degli esperimenti di scelta, la disponibilità a pagare della popolazione Italiana per eliminare le linee aeree di alta tensione è stata indagata sull’intero territorio nazionale distinguendo diverse tipologie di contesti paesistici.

High voltage overhead power lines are one of the infrastructure with a major impact on landscape quality. As shown by some studies, it is sufficient that a pylon occupies even a modest fraction of a view to cause a marked decline in the aesthetic quality of the landscape. Few studies have tried to make a monetary quantification of the landscape damage caused by high voltage power lines. Those few studies focused their attention on urban areas. In this study, by means of a discrete choice experiment, the willingness to pay of the Italian population to eliminate the landscape impact of high voltage power lines has been estimated for the entire national territory with reference to four different landscape contexts (protected mountain and hill areas, protected plain and coastal areas, other non protected hill and mountain areas, other non protected plain areas). The results obtained have demonstrated that the willingness to pay per kilometre of power line eliminated is higher in the mountain and hill natural parks than in the other areas considered. The research shows that the social benefit of burying high voltage power lines would exceed the costs only in limited areas of the country.

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