1. Action Plans and Forecasts. Available at: 〈http://ec.europa.eu/energy/renewables/action_plan_en.htm〉
2. Renewable energy. The contribution of renewable energy up to 12.4% of energy consumption in the EU27 in 2010. STAT/12/9418 June 2012. Eurostat News Releases on the internet: 〈http://ec.europa.eu/eurostat〉
3. Directive 2009/28/EC of 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. Official Journal L140, 16–62; 5 June 2009.
4. Roubanis, N. Renewable energy indicators. Eurostat, Data in focus 30/2010.
5. Sturc M. Renewable energy. Analysis of the latest data on energy from renewable sources. Environment and energy. Eurostat, Statistics in focus 44/2012.