Total global solar installations are well on the way to the 200GW mark, with the amount of PV added in the fourth quarter of 2014 forecast to fall just short of 20 gigawatts at 19.5GW, according to new data.According to findings in the latest NPD Solarbuzz Quarterly, the amount of solar PV deployed worldwide in QSB_Q4 Solar PV Demand and Year-End Cumulative Installed PV_1410064 is forecast to be equivalent to the energy supplied by five large-scale nuclear power plants and will surpass the total annual solar PV deployed in 2010.