Request for Information (rfi) : Proposed Technical Scope, Estimated Cost and Implementation Duration Required to Refurbish Control and Protection Systems on an Existing 275 Kv / 11 Kv ±50 Mvar Statcom at Garona Substation

E2935NTCSAWG

2026-06-02 14:00

2026-06-26 10:00

Electrical Engineering, Engineering Consulting, Inspection, Condition Assessment and Quality Assurance, Professional Services

Groblershoop, Northern Cape

ESKOM

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Tender Number: E2935NTCSAWG
Department: ESKOM
Tender Type: Request for Information
Province: Northern Cape
Closing Date: Friday, 26 June 2026 - 10:00
Place where goods, works or services are required: Garona substation - Groblershoop - Groblershoop - 8850
Special Conditions: N/A
ENQUIRIES:
Contact Person: SAZI BASIL ZUMA
Email: [email protected]
Telephone number: 011-800-2171
FAX Number: 011-800-2171
BRIEFING SESSION:
Is there a briefing session?: Yes Is it compulsory? Yes
Briefing Date and Time: Tuesday, 02 June 2026 - 14:00
Briefing Venue: Ms Teams

This tender is also available from www.etenders.gov.za


Tender Summary

Objectives

The primary objective of this tender is to procure and implement refurbishment of the control and protection systems on the existing 275 kV / 11 kV ±50 Mvar STATCOM at Garona Substation. The goal is to enhance the reliability, operational lifespan, and performance of the STATCOM by replacing obsolete control systems and upgrading critical components to prevent future failures and ensure continuous support for grid stability.

Scope

The scope includes:

  • Assessment and refurbishment of the control and protection systems of the Garona 275 kV / 11 kV STATCOM.
  • Replacement of aging control cards, power supply units (PSUs), and IEGTs.
  • Upgrade of control hardware and software to current standards.
  • Integration of new control systems with existing substation infrastructure.
  • Testing, commissioning, and validation of the upgraded systems.
  • Provision of documentation and training on the new systems.

Technical Requirements

The technical requirements specify:

  • Replacement of control systems that have reached end-of-life (estimated between 12-15 years).
  • Installation of modern, reliable control hardware compatible with existing STATCOM components.
  • Upgrade of control software and Human-Machine Interface (HMI) to current versions.
  • Ensuring communication and integration with existing substation automation systems.
  • Implementation of robust protection and control schemes to prevent faults and failures.
  • Compliance with relevant standards such as ISO 9001 and NTCSA technical incident protocols.

Skills Requirements

The successful bidder must possess:

  • Expertise in FACTS device control systems, particularly STATCOM technology.
  • Experience in refurbishing and upgrading control and protection systems for high-voltage substations.
  • Proficiency in control hardware and software integration, testing, and commissioning.
  • Capability to develop and implement system documentation, training, and support.
  • Knowledge of relevant standards and best practices in power system control and automation.
  • Ability to coordinate with OEMs and utility operators for seamless system upgrades.
This summary is AI generated. Download the tender documents for all the information.

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