İzmir Institute of Technology (IZTEC) is one of the state universities in Turkey and one that was established in 1992 with a view to offering a high level of education and carrying out research in technological fields. This Institute has Geothermal Energy Research and Development center which is the largest geothermal research center in Turkey. Some national and international research such as hydrogeological, hydrogeochemical, scaling, corrosion and energy efficiency have been done in center. Geothermal center did one of big project about determine potential and uses of geothermal resources in the southeastern Turkey last year. Some scientist have been working about modeling and scaling problem which was published in international journal. One of books as a titled “Geothermal Systems and Energy Resources: Turkey and Greece” was published by this Institute.