VVUZA

Transformer Oil Inhibitor Dosing Services Contract

Eskom

In plain English

Eskom is seeking suppliers to adhere to an integrity pact for procurement processes. All existing and potential suppliers registered on Eskom's Vendor Database can bid.

Always check the official document
Closing date
26 November 2026
Location
ATTENTION: TENDER CENTRE-Johannesburg-Germiston-2020
Estimated value
R 25 000 000
Published
27 October 2026
Tender no.
E2326TSSERI-

Description

Eskom Rotek Industries is inviting tenders for a five-year enabling contract to provide Transformer Oil Inhibitor dosing services. The work will be performed on an as-and-when-required basis at various Eskom power stations, transmission and distribution substations, and industrial sites across South Africa. The primary objective is to maintain transformer oil quality by replenishing inhibitor concentrations to 0.35% using Butylated Hydroxytoluene (BHT). Key deliverables include the supply of specialized dosing equipment, chemical treatment, site-specific risk assessments, and the installation of information plates. The contract requires strict adherence to Eskom safety, quality, and environmental standards. Bidders must demonstrate technical competence, including the ability to manage oil circulation pumps and heating systems without damaging the oil. The project is managed by Thabo Tsimane, and the tender process includes a non-compulsory clarification meeting on 12 November 2026, with a final submission deadline of 26 November 2026.

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.

Full requirements

  • Must be registered on the Central Supplier Database (CSD)
  • Must have valid Tax Compliance status
  • Must hold valid ISO 9001 certification or equivalent
  • Must possess a valid COIDA Letter of Good Standing
  • Must hold relevant industry certifications (ORHVS, ELW001, OL2002)

Contact & how to apply

Name: QUEEN GANTSHO

Email: GantshNQ@eskom.co.za

Phone: 011-629-8108

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

Download tender documents

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