1. European Commission. EU reference scenario 2016 energy, transport and ghg emissions – Trends to 2050 main results; 2016. Available at: (〈https://ec.europa.eu/energy/sites/ener/files/documents/20160712_Summary_Ref_scenario_MAIN_RESULTS%20(2)-web.pdf〉). [Accessed 20 July 2017].
2. European Commission. Commission staff working document, impact assessment accompanying the document communication from the commission to the european parliament, the council, the european economic and social committee and the committee of the regions: a policy framework for climate and energy in the period from 2020 up to 2030. SWD(2014) 15 final; 2014. Available at: (〈http://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?Uri=CELEX:52014SC0015&from=EN〉). [Accessed 20 July 2017].
3. Power system economics: designing markets for electricity;Stoft,2002
4. Europe's long energy journey: towards an energy union?;Buchan,2015
5. The private and public economics of renewable electricity generation;Borenstein;J Econ Perspect,2012