Solar collectors for autonomous energy supply to a mountain hut, Velan Hut, Cabane du Velan, of the Swiss Alpine Club, SAC, Valais Alps, Valais, Switzerland, Europe

alpine alps alternative alternative architecture area areas autonomous backdrop backdrops building buildings cabane cabin cabins cell cells chain chains clean club collectors countryside day daylight daytime du during electricity energies energy europe european exterior exteriors for generation hut hut huts landscape landscapes module modules mountain mountained mountainous mountains nature nobody of outdoor panel panels photo photos photovoltaic photovoltaics power range ranges rangy region regions renewable sac sceneries scenery scenic shelter shelters shot shots solar solar source sources supply swiss swiss switzerland system the to valais velan view views