ACWA Power wins contract for largest desalination plant in Saudi Arabia


December 27, 2018 – ACWA Power, which develops, owns and operates power generation and water desalination plants, has won a contract for the world’s largest independent water desalination plant, Rabigh 3 IWP, in the Kingdom of Saudi Arabia.

Minister of Environment, Water and Agriculture and Water & Electricity Company (WEC) chairman Abdulrahman bin Abdulmohsen Al-Fadley signed the water purchase agreement. WEC will act as the off taker of the project.

Of 55 expressions of interest (EoIs) and five bidders, ACWA Power submitted the lowest tariff at $0.53/m³ and was selected to develop the desalination plant alongside the Saudi Brothers Commercial Company (SBCC) in Rabigh, Saudi Arabia.

Rabigh 3 IWP will utilise reverse osmosis (RO) technology to yield a capacity of 600,000m³ a day.


The plant’s design will ensure highest efficiency, reliability and availability for any comparable plant in the world.


The water output is expected to cater to the demand of Makkah al-Mukarramah and Jeddah, ensuring consistent, reliable and steady water supply to the citizens of the two cities and village, particularly during demand peak periods such as the Holy Month of Ramadan and Hajj seasons.

ACWA Power chairman Mohammad Abunayyansaid: “We take extreme pride in securing another milestone in the Kingdom that contributes to the welfare of Saudi Arabia’s economy and its citizens.

“As a private company, we work continuously to guarantee the right investment is being injected in the Kingdom through private public partnerships to achieve the ambitious goals of the Saudi Vision 2030.

“Rabigh 3 IWP will deliver potable water at the lowest cost achieved to date for RO while consuming the least amount of power for each cubic meter of water produced and is consequently another important step in elevating living standards in the Kingdom.

“Rabigh 3 IWP will contribute to economic progress and increased employment opportunities, helping the Kingdom reach the highest levels of prosperity.”

The Rabigh 3 IWP is being established under a 25-year build-own-operate (BOO) contract and will commence commercial operation on the 31 December 2021.



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