1. European Commission. Energy roadmap 2050, [online]. Available at: http://ec.europa.eu/energy/energy2020/roadmap/index_en.htm [accessed 22.02.14].
2. European Commission. EU energy, transport and GHG emissions trends to 2050, [online]. Available at: http://ec.europa.eu/energy/observatory/trends_2030/doc/trends_to_2050_update_2013.pdf [accessed 28.03.14].
3. Progress in development of renewable electricity in Northern Europe in the context of the EU 2020 renewables target;Cross,2013
4. Statistics Finland. Energy supply and consumption, [online]. Available at: http://www.stat.fi/til/ehk/index_en.html [accessed 21.12.13].
5. Finland's energy and climate strategy;The Ministry of Employment and the Economy (MEE),2013