Turgo hydroelectric janareta ya ƙunshi micro na'ura mai aiki da karfin ruwa turbine da janareta saka a daya shaft.An yafi hada da bututu jagorar shigarwa, mai juyawa mai juyawa, babban shaft, tushe, bawul ɗin daidaitawa, ɗaukar hoto, murfin, hatimi et al.Yayin da ake jagorantar ruwa mai ƙarfi a cikin bututun shigarwa, babban ƙarfin kuzarin yana canjawa zuwa babban ƙarfin kuzari mai ƙarfi a yankin jagorar bututun ƙarfe.Babban ruwa mai saurin barin bututun ƙarfe zai bugi injin turbine kuma ya tilasta mai na'ura ya juya.