Zwentendorf an der Donau is a small market municipality in the Austrian state of Lower Austria. It is located at , in the Tulln Basin on the southern bank of the Danube. The place attained public attention as the site of the only Austrian nuclear power station, which was completed but never went into operation. In a referendum on 5 November 1978, a narrow majority of 50.5% voted against putting the Zwentendorf nuclear plant into operation. Population History Near Zwentendorf was from 1 to the 5th century a.d. a Roman fort (Asturis). It was a part from Limes Norici of the Roman province Noricum. See also Anti-nuclear movement in Austria Freda Meissner-Blau Hildegard Breiner Zwentendorf Nuclear Power Plant References External links Google Maps: HVDC-back-to-back station Cities and towns in Tulln District Populated places on the Danube Cadastral community of Tulln District Anti–nuclear power movement Nuclear power in Austria