"Snapshot of Global PV 1992-2014"(PDF). iea-pvps.org. International Energy Agency — Photovoltaic Power Systems Programme. 30 March 2015. Archived from the original on 7 April 2015.
"Global Market Outlook for Solar Power 2015-2019"(PDF). www.solarpowereurope.org. Solar Power Europe (SPE), formerly known as EPIA – European Photovoltaic Industry Association. Archived from the original(PDF) on 10 June 2015. Retrieved 9 June 2015.
"Global Market Outlook for Solar Power 2015-2019"(PDF). www.solarpowereurope.org. Solar Power Europe (SPE), formerly known as EPIA – European Photovoltaic Industry Association. Archived from the original(PDF) on 10 June 2015. Retrieved 9 June 2015.
"Snapshot of Global PV 1992-2014"(PDF). iea-pvps.org. International Energy Agency — Photovoltaic Power Systems Programme. 30 March 2015. Archived from the original on 7 April 2015.