GCC tops global water desalination capacity, Sewa chief – Abu Dhabi GCC countries have the highest water desalination capacity of 81 per cent in the world while running production of around 40 per cent of total global water desalination,” said a top official of Sharjah Electricity and Water Authority (Sewa). “This explains, on one hand, the development of 289 desalination plants on the shores of the Arabian Gulf, the Red Sea and the Arabian Sea,” remarked Dr Engineer Rashid Al Leem, the chairman of Sewa. (LINK). HIWI042019-03-11T22:41:34+01:00