The Energy Information Administration has estimated that 40% of Turkish power is already generated using hydroelectric means and there is a great deal of potential. Already over 150 project are operating and it estimated that as much as 122,000 Gwh hours could ultimately be developed in Turkey.
A conference on Advancing Sustainable Hydropower is also scheduled in Antalya Turkey for May of this year. The conference is being organized by Turkish Hydropower Association (TURSEB) in addition to UNESCO amongst others.
For additional information:
http://www.hydropower.org/Congress/2007Turkey/Congress.html