Dewa has massively expanded a planned CSP project securing a lower per-kWh price. But its current tariffs will barely cover the cost of the plant’s electricity.

The Dubai Electricity & Water Authority (Dewa) has awarded Saudi private sector firm Acwa Power and China’s Shanghai Electric a contract to build the world’s largest concentrated solar power (CSP) plant, with 700MW generating capacity, as the fourth phase of a solar park being built at Seih al-Dalal 50km south...