If you wish to participate in EWA’s procurement opportunities, you can review available tenders, download the relevant documents, and submit your sealed bid before the closing date.
Review and Apply for Domestic Tenders
How to Participate
- Review tender details
- Review the tender details and understand the requirements.
- Download tender documents
- Download the tender documents, including the scope of work, specifications, and terms and conditions.
- Prepare your bid
- Prepare your technical and commercial proposal (if required) in line with the tender specifications and requirements.
- Submit sealed bid
- Submit a sealed and labeled bid to the EWA Purchasing and Supply Directorate before the submission deadline.
..............................................................................................................................................................................................................................................................
Contact Information & Tender Submission
Purchasing & Supply Directorate
Email: tenders@ewa.bh
Submission Address: Gajeria Tower - 5th Floor
Building 452, Avenue 28, Block 410 - Sanabis
Hours: Sunday-Thursday, 8:00 am - 2:30 pm
-
Published Domestic Tenders
Applicants interested in participating in the tender must submit an official request to tenders@ewa.bh during official working hours at least 48 hours prior to the tender closing date. EWA will then provide the applicant with the tender documents.
Tender Reference No. Title Description Directorate Published Date Closing Date 2026-102-DMR-WTD Water Testing for Production Plants Provision of water sampling and laboratory testing services for production plants to ensure compliance with quality and regulatory standards Water Transmission Directorate 12/07/2026 26/07/2026 2026-106-DM-FRSD Construction of Chain Link Fence at EWA Premises Construction of a chain-link fence around designated areas within EWA premises in Malkiya General Services & Central Stores Directorate 13/07/2026 26/07/2026 2026-101-DM-ISSD Supply & Replacement of UPS Batteries Supply, delivery, and replacement of batteries for Uninterruptible Power Supply (UPS) systems Industrial Safety and Security 13/07/2026 29/07/2026 2026-100-DM-WPD Major Overhauling of High-Pressure Pump at Ras Abu Jarjur RO Plant Complete overhaul and refurbishment of a high-pressure pump at Ras Abu Jarjur Water Transmission Directorate 13/07/2026 29/07/2026 2026-080-DM-WTD Annual Maintence Contract for GCMS & TOC Analyser Provision of annual preventive and corrective maintenance services for GCMS and TOC analyzers Water Transmission Directorate 13/07/2026 29/07/2026 2026-077-DM-FRSD Replacement of Existing Flood Light to LED Flood Lights Supply and Installation of new LED Flood Light and Photocell, GI. conduit and GI. box at Central Stores General Services & Central Stores Directorate 19/07/2026 02/08/2026 2026-110-DM-WPD Bearing Housing of HPP 201 (I & J) Overhaul and restoration of the bearing housing assembly for two (02) Torishima High Pressure Pumps (Model MHH200/4) installed at Ras Abu Jarjur RO Desalination Plant Water Transmission Directorate 23/07/2026 02/08/2026 10032105 Supply of IT Hardware Supply of IT Hardware as per the IT Hardware Specification Requirements Digital Infrastructure Directorate 19/07/2026 05/09/2026 2026-111-DM-WPD Supply and Delivery of Victaulic Make Coupling for RO Blocks Supply & Delivery of Piedmont make coupling and accessories for RO Blocks (I & J) at Ras Abu Jarjur RO Plant Water Transmission Directorate 23/07/2026 05/09/2026 2026-103-DM-WTD Supply of One Set of Portable Ultrasonic Clamp-on Flowmeter Supplying of one set (1) of portable ultrasonic clamp-on flowmeter, which includes all accessories required for installation, recording of flow/velocity readings and generate printable reports Water Transmission Directorate 26/07/2026 09/08/2026 -
Tender Opening Results
Browse tender opening results. Bids have been opened in accordance with the applicable procedures, and the details are provided for reference.
EWA Tender Reference No. Title Directorate Date Opened Number of Bids 2026-076-DM-ETDProvision of diving and underwater services Electricity Transmission Directorate 08/06/2026 4 2026-077-DM-FRSDReplacement of existing flood lights with LED flood lights General Services & Central Stores Directorate 08/06/2026 1 2026-078-DM-ETD Procurement of portable audio frequency tracing equipment using fiber optic cable technology Electricity Transmission Directorate 11/06/2026 5 2026-082-DS-FRSD Marking works for the Central Stores Warehouse Yard General Services & Central Stores Directorate 04/06/2026 1 2026-084-DM-FRSD Supply and installation of smart interactive screens for NSCC and Customer Services General Services & Central Stores Directorate 15/06/2026 5 2026-092-DM-EDD Purchasing of Empty Steel Drums for EDD Workshop Electricity Distribution Directorate 09/07/2026 4 2026-104-DM-HAWAR Supply of Chemicals for HPWS Desalination Plants Electricity Transmission Directorate 23/07/2026 2
Review and Apply for Internal Tenders
Contact Information
Purchasing & Supply Directorate
Email: tenders@ewa.bh
Submission Address: Gajeria Tower - 6th Floor
Building 452, Avenue 28, Block 410 - Sanabis
Hours: Sunday-Thursday, 8:00 am - 2:30 pm
-
Published Internal Tenders
Browse currently published tenders, review the details, and submit your proposal before the deadline.
Tender ID Title Description Directorate SME Only 2026-067-PIP-ETD Software Upgrade and Support Services for Aspen Oneliner Upgrading and supporting ASPEN OneLiner used by Bahrain’s EWA for protection studies, relay coordination, and fault analysis. As the current version is outdated, the upgrade restores modern tools, relay libraries, and support. Work includes new licenses, dongle maintenance, CIM and EDX modules, plus training for engineers. Deliverables include installation, documentation, and certification. The upgrade enhances accuracy, decision-making, interoperability, and ensures network reliability, safety, and compliance with best practices. Electricity Transmission Directorate Yes 2026-086-RPI-ETD Calibration of Switchgear and Transformer Testing Instruments and Measuring Devices Appointment of a qualified and accredited contractor to perform calibration services for Switchgear and Transformer testing instruments and measuring devices in accordance with recognized international standards. This is required to ensure all GIS testing instruments provide accurate, reliable, and traceable measurement results. Furthermore, to minimize measurement uncertainty and prevent incorrect diagnostic conclusions resulting from inaccurate test instruments.Electricity Transmission Directorate- 2026-088-PIP-WPD Train Renovation of RO Racks Frame Structural & Foundation at Ras Abu Jarjur RO Plant Activities of disconnecting of all end fittings, support clamps, safe removal of 600 of permeators from Two of the RO Trains, repair of foundation cracks, replacement of corroded structural components and safe reinstating of all removed permeators, end fittings, supports Victaulic clamps etc. at Ras Abu Jarjur RO Desalination Plant.Water Transmission Directorate- 2026-107-RPI-CSD Front Office Agent Performance & Operations Monitoring System To implement an integrated system for monitoring and evaluating front-office agent performance, aimed at improving services quality, enhancing operational efficiency, supporting continuous training, and ensuring security and compliance through recording and analyzing customer and agent interactions. Customer Services Directorate Yes Click on the tender title to view full details on the Tender Board portal.
-
Tender Opening Results
Browse tender opening results. Bids have been opened in accordance with the applicable procedures, and the details are provided for reference.
EWA Tender Reference No. Title Directorate Date Opened Number of Bids 2026-009-PIP-WTDChamber Inspection and Valve Exercise for Water Transmission PipelinesWater Transmission Directorate09/03/2026 8 2026-026-PIP-WDDConsultancy Services of Water Meters SpecificationWater Distribution Directorae14/04/2026 4 2026-039-PIP-WTDSupply, Installation & Commissioning of two (2) Chlorine Shut-Off Systems as Musalla and Sanabes Stations Water Transmission Directorate 22/04/2026 3 2026-089-RPI-ISDSupply of Veeam System Subscription and Support Services Digital Infrastructure Directorate 01/07/2026 4 2026-074-PIP-ETDReplacement of Defective Solar System Inverters at Seef ESR Electricity Transmission Directorate 01/07/2026 5 2026-083-PIP-ETDSupply of Lightweight Standalone Fault Location System for High-Voltage Power Cables Electricity Transmission Directorate 15/07/2026 1 2026-059-PIP-WTDRepairing of Soft Starter at Addur FS. Water Transmission Directorate 15/07/2026 1 2026-093-RPI-DIDSupply & Installation of 1200 Network Points Digital Infrastructure Directorate 22/07/2026 8
Content last updated : 28 July 2026