Reuters: Global installed solar photovoltaic power grew by 44 percent in 2009 on the back of German subsidies now under threat, the European Photovoltaic Industry Association said on Tuesday. The global industry added a record 6.4 gigawatts new capacity, bringing total capacity to more than 20 gigawatts (GW), the EPIA said, despite tightened credit which has particularly hit infrastructure and energy project finance. The increase was thanks to subsidies including a price premium for …