Acoustic assessment of PV systems on motorways
In the Energy Strategy 2050, solar energy plays a primary role in Switzerland's future energy supply. In addition to locations such as building facades and roofs, the potential of photovoltaic (PV) arrays along transport infrastructure (retaining walls, noise barriers, etc.) has also come into focus. The installation of solar panels there can influence sound propagation and can either reduce noise (as an obstacle) or increase it (as a reflective surface). As part of a pilot project on behalf of the Federal Roads Office (FEDRO), G+P accompanied the acoustic assessment of a planned PV system along a section of motorway, focusing in particular on reflections, which can lead to undesirable increases in noise for local residents.