Arda Cascade, Hydroelectric cascade in Gorna Arda region, Bulgaria
Arda Cascade comprises three hydropower plants situated along the upper course of the Arda River: Madan, Sarnitsa, and Ardino. These installations work together to harness the river's flow and elevation changes for electricity production.
The cascade system emerged in 1999 following an agreement between Bulgaria and Turkey regarding energy infrastructure and cross-border cooperation. The construction of the plants marked the beginning of modern hydropower development in the region.
The cascade represents a significant component of Bulgaria's renewable energy infrastructure, supporting the national goal of sustainable power generation.
The plants are accessible via local roads in the Gorna Arda region and are situated in an area with varied terrain. Visitors should note that these are active industrial facilities and access may be restricted in certain areas.
The system employs an arch-gravity dam design that manages water flow efficiently while providing flood control during heavy rainfall. This dual-purpose construction method balances power generation with protection against excessive water buildup.
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