1. European Commission. Energy for the future: renewable sources of energy, White Paper for a Community Strategy and Action Plan, Communication from the Commission, COM(97)599, Brussels, 1997. See also: 〈http://ec.europa.eu/energy/library/599fi_en.pdf〉.
2. European Council. Directive 2001/77/EC of the European Parliament and of the Council of 27 September 2001 on the promotion of electricity produced from renewable energy sources in the internal electricity market. Luxembourg: European Parliament; 2001. See also: 〈http://ec.europa.eu/energy/res/legislation/electricity_en.htm〉.
3. European Council. Directive COM/2002/0415 of the European Parliament and of the Council on the promotion of cogeneration based on a useful heat demand in the internal energy market. Luxembourg: European Parliament, 2002. See also: 〈http://eur-lex.europa.eu/LexUriServ/site/en/com/2002/com2002_0415en01.pdf〉.
4. Hellenic Republic. Law 3468/2006: generation of electricity using renewable energy sources and high-efficiency cogeneration of electricity and heat and miscellaneous provisions. Ministry of Development, Athens, Greece, 2006. See also: 〈http://www.ypan.gr/index_c_cms.htm〉.
5. Present situation and future prospects of electricity generation in Aegean Archipelago islands;Kaldellis;Energy Policy,2007