Saudi Arabia's Water & Electricity L.L.C (WEC) has announced that 10 private consortia have been pre-qualified a the tender for the independent sewage treatment plant in the city of Taif, in the Mecca Province of KSA. Request for proposals was issued to ten prequalified consortia. 

The pre-qualified consortia are as follows :

• Acciona Agua;
• China Gezhouba Group Co., Ltd.;
• Cobra Instalaciones y Servicios, S.A., International Water Distribution Company (TAWZEA);
• FCC Aqualia, Alkhorayef Group;
• Marubeni Corporation;
• Metito Utilities Limited, Power and Water Utility Company for Jubail and Yanbu (Marafiq);
• Mitsui & Co., Ltd., Miahona Company;
• Orascom Construction;
• Samsung Engineering Company Limited;
• Suez Groupe​.

WEC is seeking to procure a private developer or developer consortium to develop, finance, engineer, procure, construct, operate and maintain the plant, which will have a total treatment capacity of up to 270,000 m3/day. Under a 25-year Sewage Treatment Agreement (STA) with WEC, the project company to be incorporated to develop the project will treat the entire sewage capacity supplied by WEC.