The German government has pledged to invest 4 billion euros ($4.37 billion) in African green energy projects until 2030.: The German government has pledged to invest 4 billion euros ($4.37 billion) in African green energy projects until 2030 BERLIN -- The German government pledged Monday to invest 4 billion euros ($4.37 billion) in African green energy projects until 2030, with Chancellor Olaf Scholz saying that countries in Africa should benefit more from their wealth of raw materials. Scholz discussed the pledge at a news conference on the G20 Compact with Africa summit taking place in Berlin.