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RFI for Re-engineering OPC DA Protocol at Grootvlei Power Station

Eskom

In plain English

Eskom is seeking re-engineering services for OPC servers and Backup HMI communication protocol at Grootvlei Power Station. Eligible bidders must be registered on the CSD.

Always check the official document
Closing date
14 July 2026
Location
Grootvlei Power-Grootvlei-Balfour-2420
Estimated value
R 2 500 000
Published
23 June 2026
Tender no.
E2574GXMPGROR

Description

This tender is a Request for Information (RFI) issued by Eskom for the Grootvlei Power Station. The project involves the re-engineering of OPC servers and Backup HMI communication protocols to replace obsolete MAUELL control systems. The scope includes assessing existing systems, designing and installing redundant OPC servers, and integrating hardware with existing architecture. The contractor must provide technical and financial assessments for feasible alternatives, supply all necessary software and hardware, and perform full testing and commissioning. The work will take place at the Grootvlei Power Station. The objective is to ensure operational continuity following security hardening updates. The contractor must demonstrate expertise in industrial control systems and the decoupling of obsolete automation hardware.

What you need to qualify

  • Other registrationAn industry registration the tender requires (e.g. PSIRA, NHBRC, a professional or trade licence).

Full requirements

  • Must hold valid ISO 9001 Quality Management System certification
  • Must comply with Eskom Generation C&I Refurbishment Execution Strategy (559-123589005)
  • Must comply with Eskom C&I Control System Architecture Guideline (240-72344727)

Contact & how to apply

Name: Manala Mabhena

Email: MabhenMM@eskom.co.za

Phone: 017-779-8500

How to apply: Interested parties should contact the relevant Procurement Practitioner or System Engineer as identified in the Eskom procurement system for specific submission details, as the document does not provide a direct email or portal link.

Download tender documents

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