1. World Energy Outlook 2014,2014
2. Energy Roadmap 2050
http://ec.europa.eu/energy/energy2020/roadmap/index_en.htm
3. International Status and Prospects for Nuclear Power 2014,2014
4. Wind Statistics 2014
http://www.ewea.org/
5. Energy Supply and Consumption
http://www.stat.fi/til/ehk/index_en.html