Tenders/THE DESIGN, DETAILED ENGINEERING, MANUFACTURE, TESTING AT WORKS, SUPPLY, SHIPPING, TRANSPORTATION, DELIVERY, INSTALLATION, ERECTION, SITE-TESTING AND COMMISSIONING OF CLASS 1 POWER TRANSFORMERS ON AN “AS AND WHEN” REQUIRED BASIS OVER A FIVE (5) YEAR PERIOD FOR DISTRIBUTION DIVISION.

Open🇿🇦South AfricaSupplies

THE DESIGN, DETAILED ENGINEERING, MANUFACTURE, TESTING AT WORKS, SUPPLY, SHIPPING, TRANSPORTATION, DELIVERY, INSTALLATION, ERECTION, SITE-TESTING AND COMMISSIONING OF CLASS 1 POWER TRANSFORMERS ON AN “AS AND WHEN” REQUIRED BASIS OVER A FIVE (5) YEAR PERIOD FOR DISTRIBUTION DIVISION.

ESKOM

Published: Aug 5, 2026

Updated: Aug 5, 2026

Source: etenders_za

About This Opportunity

This is a supplies contract in the architecture and engineering, energy and power and transport and logistics sectors, with a focus on Transmission Distribution, Maritime and Logistics. Located in South Africa, Africa, this opportunity is open to firms and consortiums. Proposals must be submitted before October 7, 2026.

Published through eTenders South Africa, a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for the supply of goods in the architecture and engineering sector. Supply contracts typically require bidders to demonstrate product compliance with technical specifications, delivery capacity, and relevant certifications. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

THE DESIGN, DETAILED ENGINEERING, MANUFACTURE, TESTING AT WORKS, SUPPLY, SHIPPING, TRANSPORTATION, DELIVERY, INSTALLATION, ERECTION, SITE-TESTING AND COMMISSIONING OF CLASS 1 POWER TRANSFORMERS ON AN “AS AND WHEN” REQUIRED BASIS OVER A FIVE (5) YEAR PERIOD FOR DISTRIBUTION DIVISION. Contracting authority: ESKOM Category: Manufacture of electrical equipment Tender type: Request for Bid(Open-Tender) Province: National Briefing venue: MS Teams Delivery location: Various Distribution Sites -Brackenfell-Western Cape -7560 Documents: 63 - 20MVA 44-22kV (YNd1)(2025).xlsx, 54 - 10MVA 22-6_6kV (YNyn0)(2025).xlsx, 22_5MVA 44-2.2kV YNd1.xlsx, 27_5MVA 88-6_6kV YNd1.xlsx, 111 - 160MVA 132-66-22kV (YNa0d1)(2026).xlsx, 31_5MVA 66-3.3kV YNd1.xlsx, 26_5MVA 66-22kV YNd1.xlsx, 55- 10MVA 88-6.6kV (YNd1)(2025).xlsx, 24_5MVA 44-6.6kV YNd1.xlsx, 41_10MVA 44-22kV YNd1.xlsx, 109 - 80MVA 132-44kV (YNd1)(2026).xlsx, 35_5MVA 66-22kV YNd1.xlsx, 78 - 20MVA 132-44-22kV (YNa0d1)(2025)).xlsx, 2. 20260624_Cat1- Quality Req _DX _ Class 1 TRFR.pdf, 16_2.5MVA, 88-6.6kV YNd1.xlsx, 9. Dx works information for Storage Units.pdf, 21_5MVA 44-11kV YNd1.xlsx, 12_2.5MVA, 88-2.2kV YNd1.xlsx, 90 - 40MVA 132-11kV (YNd1)(2025)(High Z).xlsx, 15. 240-171000616_Technical Evaluation Criteria for Dx trfrs final.pdf, 101 - 45MVA 132-22kV (YNd1)(2026).xlsx, 1. Invitation to Tender (ITT)_Class 1 Power Transformers.docx, 9_2.5MVA, 22-6.6kV Yd9.xlsx, 11_2.5MVA, 44-2.2kV Yd9.xlsx, 10_2.5MVA, 33-22kV YNyn0.xlsx, 56 - 10MVA 22-2.2kV (YNyn0)(2025-Yn).xlsx, 18_5MVA 22-6.6kV YNyn0.xlsx, 29_5MVA 22-2_2kV YNyn0.xlsx, 6. E-tendering Help Manual for supplier.docx, 2. Eskom_Standard_Conditions_of_Tender.pdf, 2. 240-56030674 Rev 2 paint spec_Signed.pdf, 58 - 10MVA 66-3.3kV (YNd1)(2025-Yn).xlsx, 1_1.25MVA, 22-11kV YNyn0.xlsx, 106 - 80MVA 132-66-22kV (YNa0d1)(2026).xlsx, 1. ST_240-68973110 Rev 3 Power Transformer Standard Specification.pdf, 38_10MVA 33-22kV YNyn0.xlsx, 93 - 40MVA 132-33kV (YNd1)(2025)2.xlsx, 44_10MVA 66-22kV YNd1.xlsx, 45_10MVA 66-11kV YNd1.xlsx, 32_5MVA 88-3.3kV YNd1.xlsx, 1. Environmental Requirements_Dx Class 1 Power Transformers.docx, 8_2.5MVA, 22-3.3kV Dyn11.xlsx, 80 - 20MVA 22-11kV (YNyn0)(2025).xlsx, 33_5MVA 88-11kV YNd1.xlsx, 1. Invitation to Tender (ITT)_Class 1 Power Transformers.pdf, 49_10MVA 88-33kV YNd1.xlsx, 99 - 40MVA 88-6_6kV (YNd1)(2025).xlsx, 4.240-109253698 CQP Template.pdf, 60 - 20MVA 33-11kV (YNyn0)(2025).xlsx, 82 - 20MVA 66-11kV (YNd1)(2025).xlsx, 13. ST_240-56356191 Rev 3 TRANSFORMER AND REACTOR OIL LEVEL INDICATORS SPECIFICATION.pdf, 5. E-Tenderers E-Tendering Training Acknowledgement Form (1).docx, 40_10MVA 44-11kV YNd1.xlsx, 69 - 20MVA 88-44kV (YNd1)(2025).xlsx, 37_10MVA 33-11kV YNyn0.xlsx, 28_5MVA 88-22kV YNd1.xlsx, 3. Baseline Risk Assessmnet_2025 (002).pdf, 74 - 20MVA 132-22kV (YNd1)(2025).xlsx, 102 - 80MVA 132-44-11kV (YNa0d1) (2026).xlsx, 1. 240-105658000 Supplier Quality Management Specification (3).pdf, 71 - 20MVA 88-6_6kV (YNd1)(2025)(High Z).xlsx, 64 - 20MVA 66-22kV (YNd1)(2025-Yn)(High Z).xlsx, 17_5MVA 22-11kV YNyn0.xlsx, 98 - 40MVA 66-11kV (YNd1)(2025).xlsx, 96 - 40MVA 66-11kV (YNyn0)(2025).xlsx, 43_10MVA 66-6.6kV YNd1.xlsx, 70 - 20MVA 88-6_6kV (YNd1)(2025).xlsx, 39_10MVA 33-6.6kV YNyn0.xlsx, 14_2.5MVA, 44-6.6kV YNd1.xlsx, 2. Annexure G2.pdf, 34_5MVA 66-3.3kV YNd1.xlsx, 4.240-109253698 CQP Template.docx, 76 - 20MVA 132-6.6kV (YNd1)(2025)(High Z)2.xlsx, 53_10MVA 132-33kV YNd1.xlsx, 85 - 40MVA 88-11kV (YNd1)(2025).xlsx, 6_2.5MVA, 22-11kV YNyn0.xlsx, 8. ST_240-56062529 Rev 3 PASSIVE DEHYDRATING BREATHERS FITTED TO TRANSFORMERS,.pdf, 8. Dx Works information for Installation Units.pdf, 110 - 90MVA 132-44kV (YNd1)(2026).xlsx, 100 - 40MVA 132-44-22kV (YNa0d1)(2025)).xlsx, 59 - 10MVA 22-3.3kV (YNyn0)(2025-Yn).xlsx, 15_2.5MVA, 66-3.3kV YNzn11.xlsx, 67 - 20MVA 88-22kV (YNd1)(2025).xlsx, 3_1.25MVA, 22-2.2kV DYN11.xlsx, 11. 240-75661431 Rev 3 _STANDARD FOR MINERAL INSULATING OILS.pdf, 5. 240-56063867 Transformer and Reactor Rapid Pressure Rise Relay.pdf, 10. 240-56535946 Transformer and reactor cooling fans.pdf, 113 - 160MVA 132-33kV (YNd1)(2026).xlsx, 5. 20260622_ Form A Cat1 _DX_Class 1 TRFR.pdf, 87 - 40MVA 88-22kV (YNd1)(2025).xlsx, 7. 240-56063908 OIl and gas actuated relays (buchholz).pdf, 57 - 10MVA 66-33kV (YNd1)(2025-Yn).xlsx, 2_1.25MVA, 22-11kV Dyn11.xlsx, 66 - 20MVA 88-11kV (YNd1)(2025).xlsx, 4. Supplier Declaration of Interest.pdf, 97 - 40MVA 66-11kV (YNd1)(2025-Yn)(Hi).xlsx, 3. Annexure G3.pdf, 81 - 20MVA 66-6.6kV (YNd1).xlsx, 2. Annexure M - Annexure B_ Acknowledgement Form.pdf, 1. SDLI Strategy Doc_ BIDDERS TEMPLATE _Class 1 Power Transformers.docx, 72 - 20MVA 88-44-22kV (YNa0d1)(2025)).xlsx, 6. E-tendering Help Manual for supplier.pdf, 75- 20MVA 132-3.3kV (YNd1)(2025-Yn).xlsx, 13_2.5MVA, 88-2.2kV Yd9.xlsx, 107 - 80MVA 132-88-22kV (YNa0d1)(2026).xlsx, 73 - 20MVA 132-11kV (YNd1)(2025).xlsx, 3. Non-Disclosure Agreement (NDA) Vendors.docx, 6. 240-56063871 Pressure relief devices.pdf, 65 - 20MVA 66-22kV (YNd1)(2025).xlsx, 1. 32-726-03T High Risk OHS Specification_.pdf, 42_10MVA 44-6.6kV YNd1.xlsx, 17. Vendor Questionnaire_Transformers_Annexure G_ 2.pdf, 52_10MVA 132-22kV YNd1.xlsx, 112 - 160MVA 132-88-22kV (YNa0d1)(2026).xlsx, 12. Passive Dehydrating Breathers 240-56062529.pdf, 16. Vendor Questionnaire_Transformers_Annexure G_ 1.pdf, 3. 240-109253302 _ Quality Control Plan or Inspection Test Plan (QCP or ITP) rev 2.docx, 18.Vendor Questionnaire_Transformers_Annexure G_ 3.pdf, 94 - 40MVA 132-66-22kV (YNa0d1)(2025)).xlsx, 30_5MVA 22-3_3kV YNyn0.xlsx, 88 - 40MVA 88-33kV (YNd1)(2025).xlsx, 6. TEAP_ST_240_170001064.pdf, 104 - 80MVA 88-44-22kV (YNa0d1)(2026).xlsx, 14. _240-56062799_Bushings Technical Specification_Rev 4.pdf, 79 - 20MVA 132-66-22kV (YNa0d1).xlsx, 62 - 20MVA 44-11kV (YNd1)(2025).xlsx, 4. OHS Tender Evaluation Requirements _Transformers 2025.pdf, 7. NEC3 ECC PreQual Class1 Power Trfr 5yr.docx, 86 - 40MVA 88-11kV (YNd1)(2025)(High Z).xlsx, 4. Annexure G4.pdf, 46_10MVA 88-11kV YNd1.xlsx, 95 - 40MVA 132-88-22kV (YNa0d1)(2025)).xlsx, 92 - 40MVA 132-22kV (YNd1)(2025).xlsx, 5_2.5MVA, 22-11kV DYN11.xlsx, 91 - 40MVA 132-11kV (YNd1)(2025).xlsx, 23_5MVA 44-3.3kV YNd1.xlsx, 7_2.5MVA, 22-2.2kV Yd9.xlsx, 1. Environmental Requirements_Dx Class 1 Power Transformers.pdf, 83 - 20MVA 132-33kV (YNd1)(2025)2.xlsx, 61- 20MVA 44-6.6kV (YNd1)(2025).xlsx, 48_10MVA 88-3.3kV YNd1.xlsx, 108 - 80MVA 88-33kV (YNd1)(2026).xlsx, 20_5MVA 33-22kV YNyn0.xlsx, 3. 240-56062720 Oil sampling points labels.pdf, 105 - 80MVA 132-44-22kV (YNa0d1)(2026).xlsx, 25_5MVA 66-11kV YNd1.xlsx, 19_5MVA 33-11kV YNyn0.xlsx, 51_10MVA 132-11kV YNd1.xlsx, 9. 240-56356202 Bag leak detector.pdf, 50_10MVA 132-6.6kV YNd1.xlsx, 77 - 20MVA 132-6.6kV (YNd1)(2025)2.xlsx, 36_10MVA 22-11kV YNyn0.xlsx, 1. SDLI Strategy Doc_ BIDDERS TEMPLATE _Class 1 Power Transformers.pdf, 68 - 20MVA 88-33kV (YNd1)(2025).xlsx, 4_1.25MVA, 22-6.6kV, YNyn0.xlsx, 4. 240-56063843 Analogue oil and winding temperature indicators.pdf, 84- 40MVA 66-22kV (YNd1)(2025).xlsx, 47_10MVA 88-22kV YNd1.xlsx

Data provenance

This notice is sourced from eTenders South Africa and was originally published on August 5, 2026. Last refreshed 1 day ago. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About ESKOM

ESKOM has issued 1,331 procurement notices on BidsFactory, including 219 currently open and 124 awarded contracts. Activity concentrates in Governance & Public Administration, Energy & Power, and Construction & Civil Works. All notices are published for South Africa. Notices are distributed via eTenders South Africa. Most recent publication: August 5, 2026.

Frequently asked questions about this tender

How can I submit a bid?

Visit eTenders South Africa to access the full notice, required documents, and submission instructions provided by the contracting authority.

When does this tender close?

The submission deadline is October 7, 2026. You have 62 days left to prepare and submit your proposal to the contracting authority.

Who is the contracting authority?

This notice was issued by ESKOM in South Africa. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Supplies contract in the Architecture & Engineering Services sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

Where will the contract be performed?

The contract is for delivery in South Africa. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.