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The Fierza Hydroelectric Power Station (Albanian: Hidrocentrali i Fierzës) is a large hydroelectric power station on the Drin River, in Albania. Fierza is the upper HPP (Hydro Power Plant) of the Drin River cascade. Based on the installed power capacity, position and the volume of the reservoir, Fierza plays a key role for the exploitation, regulation and safe operation of Drin cascade. Fierza is a HPP with a Rock-fill dam with a clay core and reservoir. When it was built, Fierza was the second in Europe for the height of its type. The dam has a total volume of 8 million m3.