ISTANBUL Türkiye and the Saudi Arabian company Acwa are set to sign the second phase of a 5-gigawatt renewable energy cooperation deal at the UN climate summit COP31 to be held in Antalya, Türkiye, later this year, Acwa chairman Mohammad Abunayyan told Anadolu. The planned signing would cover the remaining 3 gigawatts of capacity under a government-to-government agreement between the two countries, following this week’s deal for the first 2 gigawatts of solar projects in Türkiye's central