VA Tech Hydro to refurbish three Bulgarian plants

VA Tech Hydro signed a contract April 25 with Bulgaria’s National Electricity Transmission Co. (NETC) for refurbishment of three hydropower projects in the Dolna Arda Cascade.

VA Tech Hydro is to overhaul the 106-MW Kardjali plant, which has four generating units; the 103.5-MW Ivailovgrad plant, with three units; and the 60-MW Studen Kladenez plant, with four units. The contract value to VA Tech Hydro is about 50 million euros (US$60.4 million).

VA Tech Hydro also is to add a fifth turbine-generator, of 16 MW, to Studen Kladenez. Construction work for the addition will be performed by PORR Technobau und Umwelt AG as an additional contract worth 16 million euros (US$19.3 million).

The Dolna Arda Cascade work is the second project between Bulgaria and Austria in which carbon emission certificates will be allotted to Austria under the Kyoto Protocol, intended to reduce global warming. The first was construction of 80-MW Tsankov Kamak on the Vacha River, which also involved VA Tech Hydro.

Bulgarian media reported VA Tech Hydro also is in talks with NETC on construction of Yadenitsa (or Jadenitsa) Dam on the Yadenitsa River. The project is intended to expand the lower reservoir of the 864-MW Chaira pumped-storage project by 13 million cubic meters, at a cost of 100 million euros (US$121 million).

Bulgaria previously has promoted Yadenitsa itself as a potential 1,619-MW hydropower project.

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