Tsankov Kamak Hydro Power Plant
| Tsankov Kamak Hydroelectric Power Plant | |
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Tsankov Kamak Dam
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 Location of Tsankov Kamak Hydro Power Plant in Bulgaria
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| Location | Tsankov Kamak downsream of Devin |
| Coordinates | 41°49′56″N 24°25′18″E / 41.83222°N 24.42167°ECoordinates: 41°49′56″N 24°25′18″E / 41.83222°N 24.42167°E |
| Construction began | 2004 |
| Opening date | 2011 |
| Construction cost | Euro 500 Million |
| Owner(s) | NEK EAD |
| Dam and spillways | |
| Type of dam | Double curvature arch concrete dam |
| Impounds | Vacha River |
| Height | 130.5 m (428 ft) |
| Length | 486 m (1,594 ft) |
| Spillway capacity | 1,450 m3/s (51,000 cu ft/s) |
| Reservoir | |
| Creates | Tsankov Kamak reservoir |
| Total capacity | 111,000,000 m3 (90,000 acre⋅ft) |
| Catchment area | 1,214 km2 (469 sq mi) |
| Surface area | 3.27 km2 (810 acres) |
| Power Station | |
| Operator(s) | NEK EAD |
| Commission date | 2011 |
| Hydraulic head | 150 m (490 ft) (Gross head) |
| Turbines | 2 x 40 MW |
| Installed capacity | 80 MW |
| Annual generation | 185 GWh |
The Tsankov Kamak Hydroelectric Power Plant, also Tsankov Kamak HPP, comprises an arch dam and hydroelectric power plant (HPP) in Tsankov Kamak, southwestern Bulgaria. It is situated on the Vacha River in Smolyan Province, on the borders of Pazardzhik Province and Plovdiv Province, roughly 40 kilometres (25 mi) southwest of Plovdiv and downstream (north) of the town of Devin. It is a part of the Dospat-Vacha cascade development of the Vacha River involving five dams and power stations within the Devin municipality, 250 kilometres (160 mi) southeast of Sofia. The other four dams are Dospat Dam, Teshel Dam, the Vacha Dam and the Krichim Dam.
The Tsankov Kamak dam is the first double curvature arch dam in cupola shape in Bulgaria. It has a maximum dam height of 130.5 metres (428 ft). It is the second in the cascade series from the upstream end, and the last to be developed. Apart from power generation, the other objectives of the five projects are use of water resources for irrigation, drinking and household water supply. While the cascade development started in 1958, construction of the Kamak power plant started on 29 April 2004 and was completed in 2011. Initial estimated cost of the project was Euro 220 million financed by many banks and equipment manufacturers, including VA TECH Finance, Bank Austria Creditanstalt, BNP Paribas Fortis, Raiffeisen Zentralbank, Société Générale, and Credit Suisse First Boston. However, the final cost of the project has far outstripped the original estimates due to topography, geology and also possible corruption, which were not assessed at the investigation stage of the project.
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