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Photovoltaic

Sound barriers equipped with solar cells

Autostrada del Brennero installed a sound barrier equipped with solar cells in 2009 in Marano d’Isera (TN). The system protects the population of d’Isera from the sound of vehicles on the A22 and produces energy leveraging solar power.

The barrier is 1,067 m long and on average boasts a height of 5.6 m. 3,499 photovoltaic modules sit in the barrier which can yield around 750,000 kWh a year, covering the energy needs of 250 households.

The barrier has considerably reduced sound pollution caused by the motorway by at least 10 dB.

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