The Taweelah A1 plant has been refurbished and expanded to 385 million litres per day of clean water and 1,430MW. Abu Dhabi Water and Electricity Authority (ADWEA) signed a contract with TotalFinaElf and Tractebel in July 2001 for the purchase, expansion and refurbishment of the plant. The four-year project to expand the facility (one of the biggest cogeneration plants in the world) was completed in 2006. A further expansion is now planned. 

The contract was for $1.5bn, and the plant was commissioned on 1 May 2003 – on time and within budget. ADWEA signed a long-term contract to buy power and water from the plant, which meets about a quarter of Abu Dhabi's water and power needs.

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