1. Directive 2009/28/EC of The European Parliament and of the Council of 23 April 2009 on the promotion of the use of energy from renewable sources and amending and subsequently repealing Directives 2001/77/EC and 2003/30/EC.
2. EPIA analysis.
3. Navigant consultant and EPIA analysis.
4. 2015: Global Market Outlook for Photovoltaics until 2015;EPIA,2010
5. SET for 2020 – Solar Photovoltaic Electricity: A Mainstream Power Source in Europe by 2020;Kearney AT and EPIA,2009