Arda Hydro Power Cascade consist of three large hydro power sites, mainly used for electricity generation, with a total installed capacity of 331 MW and a total annual output of over 520 GWh. Ivaylovgrad
hydroelectric power plant (HPP) is the last stage of the Arda cascade. The initial plans for the construction of a dam on the Arda date to as early as 1948. Construction began in 1959 and was completed in 1964, with the HPP starting production the same year. "Ivaylovgrad" Hydroelectric Power Plant is built-in inside the dam. The HPP has four
Francis-type turbines, 26
MW each with a mean annual generation of 195 GWh/y. ==External links==