Dedičná štôlňa Ferdinand pri podzemnej elektrárni
Into the European but also into the global technical interest belong system of three hydroelectric plants in Kremnica, especially underground, which is bulit in mining shaft number IV at a depth of 240 m under the surface. Into the service it was launched in May 1922. There were installed three horizontal Pelton´ s turbins, each with power 575 kW.