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+====== Photovoltaic electricity potential ======
+In Switzerland the available/adequate surface for solar panels deployment is estimated to be 140 km<sup>2</sup> for roofs and 55 km<sup>2</sup> for frontages <sup>[[#References|[1]]]</sup>. Assuming that 40% of this surface is used for the installation of PV panels with a 25% electric [[pv_efficiency|efficiency]], then the photovoltaic potential is 25 TWh.
+===== References =====
+[1] [[|http://www.iea-pvps.org/index.php?id=9&eID=dam_frontend_push&docID=394]]