EDF plans to sell stake in RTE, value seen above $5.8 billion - sources

French state-controlled utility EDF's plans to sell almost 50 percent of its RTE unit would value the operator of Europe's biggest high-voltage electricity transmission grid at more than 5.2 billion euros (4.30 billion pound), sources said on Thursday. Heavily indebted EDF wants to sell off non-core assets in order to invest tens of billions of euros in its nuclear power business over the next decade, including in the UK nuclear reactor project at Hinkley Point in southwest England. New private