Austria utility seeks tunnel rehab at 9.58-MW Opponitz

Vienna utility Wien Energie GmbH seeks bids for tunnel rehab at the 9.58-MW Opponitz hydroelectric project on Austria’s Ybbs River. Bids are due November 13.

Wien Energie plans 30 million euros (US$38.1 million) in economic and environmental improvements to the 88-year-old small hydro project. Work is to include a fish ladder and a new weir at Gostling that will increase the amount of water used by the Opponitz hydro plant. An additional turbine-generator is to be added to the project, whose installed capacity is to increase to 12.5 MW.

Wien Energie took bids in 2012 for hydraulic steel, earthworks, and a turbine-generator for Opponitz. The utility also recruited potential partners in 2012 to develop the 300-MW Pfaffenboden pumped-storage project in Austria.

Wien Energie now seeks bids to renovate the tunnel at Opponitz including use of a relining procedure. The work is to be performed between February and June 2014.

Tender information may be obtained from the Wien Energie Internet site under Bids, in German, are due by 1 p.m. November 13.

For information contact Wien Energie GmbH, Thomas-Klestil-Platz 14, 1020 Vienna, Austria; E-mail:; Internet:

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