Abu Dhabi invited international firms to express interest in building desalination plant – UAE Bids invited for construction of massive Abu Dhabi desalination plant â Plant will have a capacity of 200 million gallons (757.000 mÂł/d) per day. Abu Dhabi has invited international firms to express their interest in building one of the worldâs biggest water desalination plants as authorities in the UAEâs capital look to increase capacity in order to meet rising demand. Estimated to cost between $600 million and $1.2 billion, the plant will have a capacity of 200 million gallons per day, said Adil al-Saeedi, acting director of privatisation at the Abu Dhabi Water & Electricity Authority (ADWEA), in a [âŠ] Abu Dhabi invited international firms to express interest in building desalination plant – UAEDME GmbH2018-02-27T13:16:14+01:00