Miahona Co. announces the selection as Preferred Bidder of Miahona-led Consortium for the Arana Independent Sewage Treatment Plant by the Saudi Water Partnership Company
On December 4th 2025, Miahona Co. has received a letter from the Saudi Water Partnership Company announcing the selection as Preferred Bidder of Miahona-led Consortium for Arana Independent Sewage Treatment Plant (ISTP) 25-year BOOT project (“the Project”) located in the Makkah province (the “Project”). Miahona Company is the Lead Consortium member, with 35% share, alongside the Power and Water Utility Company for Jubail and Yanbu (“Marafiq”) and Buhur for Investment Company (“Buhur”).
The Project scope includes design, financing, engineering, procurement, construction, commissioning, completion, testing, ownership, operation and maintenance, handover, and transfer upon the expiry of the STA, of a new sewage treatment plant, having a treatment capacity of 250,000 m3/day, and of the associated facilities, including:
- Water Special Facility,
- TSE Special Facility,
- Outfall Delivery Facility
The Project scope also includes the development of Arana ISTP auxiliaries and interfaces, as follows:
- connection to the Arana Plant TSE Re-use Delivery Point,
- connection to the existing electrical substation,
- sludge treatment infrastructure, and handling, transportation and delivery of beneficial-use sludge to a designated disposal area.
§ Water Special Facility and Outfall Delivery Facility
Furthermore, the Project includes the potential to expand its treatment capacity to up to 500,000 m³/day, subject to SWPC’s request.
With this scale, Arana ISTP is set to become one of the Kingdom’s largest and most advanced sewage treatment and TSE facilities. It will showcase cutting-edge technology and play a pivotal role in advancing the circular economy and supporting the environmental ambitions of Saudi Arabia’s Vision 2030.
The total contract value for the Project (excluding potential expansion) is estimated, over 3 billion SAR. The Consortium will work with the relevant stakeholders to achieve commercial and financial closing, and any developments in this regard will be announced in due course.