Ethiopia will start generating power from its mega-dam on the Blue Nile on Sunday, government officials told AFP, a major milestone for the controversial project. The Grand Ethiopian Renaissance Dam (GERD), set to be the largest hydroelectric scheme in Africa, has been at the centre of a regional dispute ever since Ethiopia broke ground there in 2011. “Tomorrow will be the first energy generation of the dam,” an Ethiopian government official said on Saturday. A second official confirmed the information. Both spoke on condition of anonymity because the development has not been officially announ…