ISTANBUL Solar and wind Renewable Energy Resource Zone ( YEKA ) tenders to be held later this month will unleash billions of dollars of investments , according to Ali Rıza Öner, president of the Waste Management and Waste-to-Energy Producers Association (TAYED). The YEKA tenders for 1,200 megawatts of wind and 800 megawatts of solar will be held on Jan. 21 and Jan. 27, respectively. “Those tenders will pave the way for billions of dollars’ worth of investments,” Öner said, noting that Türkiye