 In 1977 an accident stopped energy production and since 1979 the reactor has been partly dismantled, but not decommissioned.In 1970 an agreement with the Soviet Union was made to build two power stations of the VVER reactor design.One plant was built again in Jaslovské Bohunice, the other in Dukovany (southern Moravia), both equipped with four reactors VVER-440 v. 213 producing 440 MWe each.