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Design and supply of transformer cores and shunts.

Eskom

In plain English

Design and supply transformer cores and shunts for a period of 5 years. Eligibility requirements are not specified in the text.

Always check the official document
Closing date
30 October 2026
Location
Lower Germiston Road-Roscherville-Johannesburg South -2090
Estimated value
R 45 000 000
Published
12 October 2026
Tender no.
E2226TSSERI

Description

Eskom Holdings SOC Ltd is inviting tenders for the design, manufacture, and supply of transformer cores and shunts. This contract will run for a period of 5 years. The scope of work includes the design and supply of power transformer cores with ratings between 2 MVA and 80 MVA, as well as shunt clamping structures. Suppliers must be capable of reverse engineering original equipment to ensure exact form and dimension matching. Deliverables include fully assembled cores, clamping hardware, and detailed quality documentation. The work will be based in Johannesburg, Rosherville. The tender is open to a panel of 2 to 5 contractors. A non-compulsory clarification meeting is scheduled for 19 October 2026. The closing date for submissions is 30 October 2026 at 10h00. Bidders must achieve a minimum functionality threshold of 70% across technical evaluation and site visit stages to qualify for further consideration.

What you need to qualify

  • CSD registration — Registration on the Central Supplier Database — required to do business with government.
  • Tax clearance — A valid SARS tax compliance status (PIN) showing your tax affairs are in order.
  • Letter of Good Standing — COID registration and a Letter of Good Standing from the Compensation Fund.
  • Other registration — An industry registration the tender requires (e.g. PSIRA, NHBRC, a professional or trade licence).

Full requirements

  • Valid Central Supplier Database (CSD) registration
  • Valid SARS Tax Compliance status
  • ISO 9001, 14001, and 45001 industry certifications
  • Valid COIDA Letter of Good Standing
  • Signed Eskom SHE rules and Section 37(2) OHS Act agreement
  • Audited financial statements for the past three years
  • Proof of compliance with Employment Equity Act
  • SACPCMP professional registration for construction management

Contact & how to apply

Name: Phuti Maremane

Email: maremapa@eskom.co.za

Phone: 014-629-4559

How to apply: Tenders must be submitted electronically via the Eskom E-tendering portal at https://tenderbulletin.eskom.za/. Documents must be uploaded into the designated folders (Technical, Commercial, Financial, and Other) in PDF format. Price lists must be provided in both PDF and Excel formats.

Download tender documents

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