the HVDC -back-to-back station Dürnrohr on the area of the transformer station Dürnrohr (1983, 1996 shutdown) with a transmission rate of 550 megawatts during DC voltage of 145 kV. This plant served Dürnrohr until 1996 for the energy exchange with Czechoslovakia (from 1993 Czech Republic ) over a 380kV Three-phaseAC current leading from the HGÜ-Kurzkupplung to the transformer station Slavetice.