1. Beurskens, L.W.M., Hekkenberg, M., 2011. Renewable Energy Projections as Published in the National Renewable Energy Action Plans of the European Member States, Covering all 27 EU Member States. 28 November 2011, ECN/European Environment Agency.
2. BMU, 2011. RES Legal—Legal sources on the generation of electricity from renewable energy sources. Federal Ministry for the Environment, Nature Conservation and Nuclear Safety. 〈http://www.res-legal.de〉.
3. Couture, T., Cory, K., Kreycik, C., Williams, E., 2010. A policymakter's guide to feed-in tariff policy design. NREL National Renewable Energy Laboratory of the US Department of Energy. 〈http://www.nrel.gov/docs/fy10osti/44849.pdf〉 (accessed 18.07.12).
4. An analysis of feed-in tariff remuneration models: implications for renewable energy investment;Couture;Energy Policy,2010
5. Department of Energy & Climate Change, 2012, Information on the Electricity Market Reform, United Kingdom. 〈http://www.decc.gov.uk/en/content/cms/meeting_energy/markets/electricity/electricity.aspx〉 (accessed 18.07.12).