In the past six years, 39 desalination units with a capacity of approximately 174,000 cubic meters per day (63.7 million cubic meters a year), are operating mostly in the southern coasts.

Sixty desalination plants with a capacity of over 242,000 cubic meters per day (88.4 mcm per year) are operating in different regions in Iran, The Energy Ministry news portal reported.

Construction of another 25 desalinating projects is underway, which upon completion by 2021 will add 300,000 cubic meters of water to daily output.