The Frankonédou and Kogbédou hydropower complex on the Milo river in Upper Guinea involves the construction of two cascade dams with the following characteristics: Frankonédou dam: composite dam with concrete core, height 40 m and length 305 m, provided with outlet structures and power house equipped with two Francis groups with installed capacity of 18 MW and two side rockfill dams with clay core, 403 respectively 242 m long. Kogbédou dam: composite dam with free concrete threshold in the central part, maximum height 11 m and total length 216 m, and two rockfill dams with clay core on the sides, 267 respectively 324 m long.