Saudi Water Partnership Company (SWPC),  the principal offtaker for water and wastewater projects in Saudi Arabia, announced on Monday that it has received bids from four consortia for its Al-Haer Independent Sewage Treatment Plant (ISTP) project in Riyadh province.

The four consortia are:

1. Acciona and TAWZEA
2. Alfanar and Civil Works Company
3. GS Inima and Alkhorayef Water and Power Technologies
4. Miahona and BESIX

SWPC said the 200,000 cubic metres/day capacity ISTP is scheduled to start commercial operations in the third quarter of 2026.

The Request for Proposal (RFP) tender was issued on 24 November 2022.

On 6 June 2022, Zawya Projects had reported that SWPC had prequalified 24 bidders for the ISTP project.