An Italian-Turkish agreement deemed to be a major breakthrough in geothermal energy could face problems from an abundance of worthless licences and sites, according to a report.. Concerns have been expressed about "risky licences" with "unsubstantiated reserves" in a deal negotiated recently between Italy's Enel Green Power and Turkey's Uzun Group.

"Over 3,200 geothermal exploration licences have been delivered, but only about 300 of them are worth something, and the sheer majority of those are low-grade resources that could not be used for power generation," claims Ümran Serpen, a professor at Istanbul Technical University.

But