
SOLAR ENERGY INDUSTRIES ASSOCIATION
Solar energy posted another banner year in the U.S. in 2014. Photovoltaic (PV) installations reached 6,201 MWdc, up 30% over 2013 and more than 12 times the amount installed five years earlier. By the end of the year, a cumulative total of 18.3 GWdc of solar PV and another 2.2 GWac of concentrating solar power (CSP) were operating in the U.S. Over 600,000 homes and businesses now have on-site solar (nearly 200,000 of these installations were completed in 2014), and six states are home to more than 500 MWdc each of operating solar capacity.