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Wind energy in Italy covers 20% of total energy requirements

Among renewable energy sources, wind is among those who have experienced a greater increase in recent years. The data provided by the IEA (International Energy Agency) outline an increasingly growing trend, so as to provide a good approximation, it can meet 20% of global electricity demand by 2020 and 50% of primary in 2050. And 'certainly among the renewable energy the most widespread in the world and has recorded an increase of over 30% between 2007 and 2008. In Italy, although he speaks little, the wind already covers 20% of the alternative energy produced and is expected to have a growing popularity in the coming years, thanks to off-shore top performers and those of smaller size, mini and micro wind , to suit the medium and small utilities. It 's a major sector that is expected, in parallel to its spread, a steady increase in employment, including installers and maintenance, which will rise to almost 70,000 people in 2020.

While there is much talk about other renewable sources, wind is sometimes omitted or taken in low regard, but the wind was one of the first forces used by humans to produce work. A wind power system offers several advantages over other systems: first, in the presence of wind will always work, day and night, with good and bad weather in winter and summer. If talking about solar panels, we generally speak of the hours of activity per year 1000/1200, 1300/1800 are taken into account in wind hours annually, about 50% more. Moreover, while PV systems require the use of large areas, wind, growing in height, does not require much space and is more valid in areas with higher cost or where you want to exploit l'area a scopo agricolo, civile o industriale. Se a questo aggiungiamo un costo più competitivo a kW, ce n'è abbastanza per guardare con il dovuto interesse a questa nuova tecnologia che sfrutta principi già collaudati da migliaia di anni.