The Swiss Federal Office of Energy SFOE, the Federal Office of Meteorology and Climatology MeteoSwiss, and the Federal Office of Topography swisstopo have created together with Meteotest a stunningly interactive and publicly accessible solar potential estimator for whole Switzerland. www.sonnendach.ch Compared to traditional so-called GIS-type “solar cadasters” this one is really usable. By usable I mean: …