1. Greek Government. Law 2364/06.12.1995—Importation, transportation, trading and distribution of natural gas ΦEK A’ 252.
2. Papacostas K. Planning thermal and refrigerate loads estimation for residences in Athens and Thessaloniki. Scientific edition, Ktirio magazine. Thessaloniki, 1999.
3. Under the supervision of Mploutsos A. Climatic data. A.U.Th. Thessaloniki. Aristotle University of Thessaloniki, Geology Department, Meteorology and Climatology Division;2002.
4. Based on data published by the Public Power Corporation, www.dei.gr.
5. Life cycle assessment and exergy analysis of solar energy generation in a natural gas fired combined cycle unit (PEC, Layrio power station);Adrianopoulos,2000