Catchment and Capacity
The Krka River rises under the travertine barrier of the Topolje waterfall near the town of Knin. Total length of the Krka River, from its spring to its end in the Adriatic sea near Skradin is 56 km. Total Krka catchment area is 2427 km2, of which 142 km2 is included in the Krka National park.
Along its course, the Krka receives a number of important tributaries. Some major among them are Krčić, Kosovčica, Orašnica, Butišnica, Miljacka, Čikola, Goduča and Rivina Jaruga. The Jaruga power plant is the last one of five hydro power plants in the Krka catchment, from its spring to the sea. It uses the gross head of about 26 m, which is a portion of the naturally concentrated head of about 45 m at the Skradinski buk waterfall. Visovačko jezero (lake) is upstream the waterfall and the Krka and Prokljansko jezero (lake), affected by the sea backwaters, downstream.
This is a typical run-off-the-river plant of diversion type, with no possibility of water regulation. Total installed capacity is 5.4 MW and average annual output 35 GWh. It is a minor power plant concerning both capacity and annual output. Also the most important use is to power or give energy to the park.
Read more about this topic: Jaruga Hydroelectric Power Plant
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