1. Electrical energy;Hellenic Statistical Authority,2012
2. Electrical energy;Hellenic Statistical Authority,2010
3. Electrical energy;Hellenic Statistical Authority,2008
4. Generation of electricity using renewable energy sources and high-efficiency cogeneration of electricity and heat and miscellaneous provisions (official gazette A’ 129/27.06;Greek Law 3468/2006,2006
5. Directive 2009/29/EC of the European Parliament and of the Council of 23 April 2009 on amending Directive 2003/87/EC so as to improve and extend the greenhouse gas emission allowance trading scheme of the Community;European Parliament and the Council of the European Union,2009