CERNAVODA, Romania — A row of hulking concrete domes loom along the Danube-Black Sea Canal in Cernavoda, about two hours east of Bucharest. Two of the structures house nuclear reactors feeding Romania’s electrical grid. Two others were begun decades ago and are still waiting for completion — though, perhaps, not for long.“We have major plans,” said Valentin Nae, the site director.The nuclear complex was conceived during the regime of Nicolae Ceausescu, the Communist dictator who ran Romania for a quarter century before he was overthrown and executed in 1989. Mr. Ceausescu’s strategy was to insulate Romania from the influence of the Soviet Union by having it generate its own electricity.More than 30 years on, as much of Europe looks to cut ties to Russia’s …
