Aug 25, 2014 · The amount of solar PV power installed in the United States grew 485 percent from 2010 to 2013. By early 2014, the United States had more than 480,000 solar systems installed, adding up to 13,400 megawatts (MW)— enough to power some 2.4 million typical U.S. households. The U.S. solar industry employed more than 140,000 people in 2013, a 53