英格兰德文郡托特内斯：无人机视角：韦尔水力发电站的鸟瞰图：双阿基米德螺旋设计，可产生水力驱动的清洁电

lation of three overhead views of the Weir Hydro: 1. The drone flies towards and over the Weir Hydro; 2. The drone then descends over the top of the Weir Hydro; 3. The drone flies high over the top of the Weir and the Weir Hydro. The Weir Hydro is a twin Archimedes screw design producing water-powered, clean electricity and generates 1,250 MWh of electricity per year; enough to power around 300 homes.The Totnes Weir Hydro power plant was constructed in 2015 and began generating electricity in December 2015.A new best practice fish pass has been installed adjacent to the turbines to allow more salmon and sea trout to migrate past the weir and spawn in the River Dart catchment area.