The Raul Mic Cugir hydroelectric project is a cascade of two run-of-river generating plants located on the Little Cugir River, approximately 58 km west of Sibiu in the Șureanu Mountains of Romania’s Parâng Range in the Southern Carpathians. The Cugir River originates as two tributaries, Raul Mic, or “Little River” and Raul Mare, or “Big River” before their confluence at the town of Cugir in Alba County. The Cugir River then flows north to its confluence with Mureș River. The project develops the hydraulic potential of the Little River (Raul Mic).
Total Estimated Annual Production
Green Certificatess Delivered
3.0/MWh (1.0 GC/MWh deferred) 1
1. In addition to the 1 deferred GC of the 3 GCs received per MWh, 1.04 of the 3 GCs received per MWh from Rott are required to be used to repay existing non-recourse EU loans resulting in Rott having only 0.96 freely tradable GCs per month until 2017
The upper generating plant, Raul Mic I is a 928 kW run-of-river facility with a concrete diversion weir and intake, a 3.6 km buried glass-reinforced plastic penstock and a concrete powerhouse with a 4-jet vertical axis Pelton turbine. The lower generating plant, Raul Mic II is a 729 kW facility that draws flow directly from the tailrace of Raul Mic I, has a 3.85 km buried penstock and a concrete powerhouse with a four jet vertical axis Pelton turbine. The combined installed capacity of the two plants is 1.657 MW
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