1. IEA-PVPS, Trends in Photovoltaic Applications – 2016 – 21st edn , International energy agency technical report, 2016
2. R. 21, Renewables 2016 global status report , Renewable energy policy network for the 21st century technical report , 2016
3. C. E. Commission , California Electrical Energy Generation 2010–2015 , California energy commission technical report , 2016
4. IEA-PVPS, 2014 Snapshot of Global PV Markets, International energy agency technical report , 2014
5. Intra-hour DNI forecasting based on cloud tracking image analysis