RFBElectricalOpen

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

Tender details

ReferenceE3324DXECOU
BuyerESKOM
TypeSOE
ProvinceNational
AddressVarious Distribution Sites, Brackenfell, Western Cape, 7560
Published5 Aug 2026
Closes28 Oct 2026, 10:00
Briefing26 Aug 2026Optional
VenueMS Teams
SubmitPhysical delivery of a sealed bid
Validity365 days after closing

About this tender

Eskom RFB for design, engineering, manufacture, testing, supply, delivery, installation and commissioning of Class 1 power transformers on an as-and-when basis over 5 years for Distribution Division.

Requirements to bid

What you need to qualify for this tender

Requirements not yet verified. The CIDB grade, BBBEE level, CSD, tax and briefing requirements are in the tender document below — always confirm them there before bidding.

Tender 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.

Tender documents (161)

63 - 20MVA 44-22kV (YNd1)(2025).xlsx54 - 10MVA 22-6_6kV (YNyn0)(2025).xlsx22_5MVA 44-2.2kV YNd1.xlsx27_5MVA 88-6_6kV YNd1.xlsx111 - 160MVA 132-66-22kV (YNa0d1)(2026).xlsx31_5MVA 66-3.3kV YNd1.xlsx26_5MVA 66-22kV YNd1.xlsx55- 10MVA 88-6.6kV (YNd1)(2025).xlsx24_5MVA 44-6.6kV YNd1.xlsx41_10MVA 44-22kV YNd1.xlsx109 - 80MVA 132-44kV (YNd1)(2026).xlsx35_5MVA 66-22kV YNd1.xlsx78 - 20MVA 132-44-22kV (YNa0d1)(2025)).xlsx2. 20260624_Cat1- Quality Req _DX _ Class 1 TRFR.pdf16_2.5MVA, 88-6.6kV YNd1.xlsx1. E3324DXECOU_ Clarification Questions and Answers No1.pdf9. Dx works information for Storage Units.pdf21_5MVA 44-11kV YNd1.xlsx12_2.5MVA, 88-2.2kV YNd1.xlsx90 - 40MVA 132-11kV (YNd1)(2025)(High Z).xlsx15. 240-171000616_Technical Evaluation Criteria for Dx trfrs final.pdf101 - 45MVA 132-22kV (YNd1)(2026).xlsx1. Invitation to Tender (ITT)_Class 1 Power Transformers.docx9_2.5MVA, 22-6.6kV Yd9.xlsx11_2.5MVA, 44-2.2kV Yd9.xlsx10_2.5MVA, 33-22kV YNyn0.xlsxClarification Meeting_Meeting Minutes_26 August 2026_.pdf56 - 10MVA 22-2.2kV (YNyn0)(2025-Yn).xlsx18_5MVA 22-6.6kV YNyn0.xlsx29_5MVA 22-2_2kV YNyn0.xlsx6. E-tendering Help Manual for supplier.docx2. Eskom_Standard_Conditions_of_Tender.pdf2. 240-56030674 Rev 2 paint spec_Signed.pdf58 - 10MVA 66-3.3kV (YNd1)(2025-Yn).xlsx1_1.25MVA, 22-11kV YNyn0.xlsx106 - 80MVA 132-66-22kV (YNa0d1)(2026).xlsx1. ST_240-68973110 Rev 3 Power Transformer Standard Specification.pdf38_10MVA 33-22kV YNyn0.xlsx93 - 40MVA 132-33kV (YNd1)(2025)2.xlsx44_10MVA 66-22kV YNd1.xlsx45_10MVA 66-11kV YNd1.xlsx32_5MVA 88-3.3kV YNd1.xlsx1. Environmental Requirements_Dx Class 1 Power Transformers.docx8_2.5MVA, 22-3.3kV Dyn11.xlsx80 - 20MVA 22-11kV (YNyn0)(2025).xlsx33_5MVA 88-11kV YNd1.xlsx1. Invitation to Tender (ITT)_Class 1 Power Transformers.pdf49_10MVA 88-33kV YNd1.xlsx99 - 40MVA 88-6_6kV (YNd1)(2025).xlsx4.240-109253698 CQP Template.pdf60 - 20MVA 33-11kV (YNyn0)(2025).xlsx82 - 20MVA 66-11kV (YNd1)(2025).xlsx13. ST_240-56356191 Rev 3 TRANSFORMER AND REACTOR OIL LEVEL INDICATORS SPECIFICATION.pdf5. E-Tenderers E-Tendering Training Acknowledgement Form (1).docx40_10MVA 44-11kV YNd1.xlsx69 - 20MVA 88-44kV (YNd1)(2025).xlsx37_10MVA 33-11kV YNyn0.xlsx28_5MVA 88-22kV YNd1.xlsx3. Baseline Risk Assessmnet_2025 (002).pdf74 - 20MVA 132-22kV (YNd1)(2025).xlsx102 - 80MVA 132-44-11kV (YNa0d1) (2026).xlsx1. 240-105658000 Supplier Quality Management Specification (3).pdf71 - 20MVA 88-6_6kV (YNd1)(2025)(High Z).xlsx5. E3324DXECOU_ Clarification Questions and Answers No5.pdf64 - 20MVA 66-22kV (YNd1)(2025-Yn)(High Z).xlsx17_5MVA 22-11kV YNyn0.xlsx98 - 40MVA 66-11kV (YNd1)(2025).xlsx96 - 40MVA 66-11kV (YNyn0)(2025).xlsx43_10MVA 66-6.6kV YNd1.xlsx70 - 20MVA 88-6_6kV (YNd1)(2025).xlsx39_10MVA 33-6.6kV YNyn0.xlsx14_2.5MVA, 44-6.6kV YNd1.xlsx2. Annexure G2.pdf34_5MVA 66-3.3kV YNd1.xlsx4.240-109253698 CQP Template.docx76 - 20MVA 132-6.6kV (YNd1)(2025)(High Z)2.xlsx53_10MVA 132-33kV YNd1.xlsx85 - 40MVA 88-11kV (YNd1)(2025).xlsx6_2.5MVA, 22-11kV YNyn0.xlsx8. ST_240-56062529 Rev 3 PASSIVE DEHYDRATING BREATHERS FITTED TO TRANSFORMERS,.pdf8. Dx Works information for Installation Units.pdf110 - 90MVA 132-44kV (YNd1)(2026).xlsx100 - 40MVA 132-44-22kV (YNa0d1)(2025)).xlsx59 - 10MVA 22-3.3kV (YNyn0)(2025-Yn).xlsx15_2.5MVA, 66-3.3kV YNzn11.xlsx67 - 20MVA 88-22kV (YNd1)(2025).xlsx3_1.25MVA, 22-2.2kV DYN11.xlsx11. 240-75661431 Rev 3 _STANDARD FOR MINERAL INSULATING OILS.pdf5. 240-56063867 Transformer and Reactor Rapid Pressure Rise Relay.pdf10. 240-56535946 Transformer and reactor cooling fans.pdf113 - 160MVA 132-33kV (YNd1)(2026).xlsx5. 20260622_ Form A Cat1 _DX_Class 1 TRFR.pdf87 - 40MVA 88-22kV (YNd1)(2025).xlsx7. 240-56063908 OIl and gas actuated relays (buchholz).pdf57 - 10MVA 66-33kV (YNd1)(2025-Yn).xlsx2_1.25MVA, 22-11kV Dyn11.xlsx66 - 20MVA 88-11kV (YNd1)(2025).xlsx4. Supplier Declaration of Interest.pdf97 - 40MVA 66-11kV (YNd1)(2025-Yn)(Hi).xlsx3. Annexure G3.pdf81 - 20MVA 66-6.6kV (YNd1).xlsx2. Annexure M - Annexure B_ Acknowledgement Form.pdf1. SDLI Strategy Doc_ BIDDERS TEMPLATE _Class 1 Power Transformers.docx72 - 20MVA 88-44-22kV (YNa0d1)(2025)).xlsx6. E-tendering Help Manual for supplier.pdf75- 20MVA 132-3.3kV (YNd1)(2025-Yn).xlsx13_2.5MVA, 88-2.2kV Yd9.xlsx107 - 80MVA 132-88-22kV (YNa0d1)(2026).xlsx73 - 20MVA 132-11kV (YNd1)(2025).xlsx3. Non-Disclosure Agreement (NDA) Vendors.docx6. 240-56063871 Pressure relief devices.pdf65 - 20MVA 66-22kV (YNd1)(2025).xlsx1. 32-726-03T High Risk OHS Specification_.pdf42_10MVA 44-6.6kV YNd1.xlsx17. Vendor Questionnaire_Transformers_Annexure G_ 2.pdf52_10MVA 132-22kV YNd1.xlsx112 - 160MVA 132-88-22kV (YNa0d1)(2026).xlsx12. Passive Dehydrating Breathers 240-56062529.pdf16. Vendor Questionnaire_Transformers_Annexure G_ 1.pdf3. 240-109253302 _ Quality Control Plan or Inspection Test Plan (QCP or ITP) rev 2.docx18.Vendor Questionnaire_Transformers_Annexure G_ 3.pdf94 - 40MVA 132-66-22kV (YNa0d1)(2025)).xlsx30_5MVA 22-3_3kV YNyn0.xlsx88 - 40MVA 88-33kV (YNd1)(2025).xlsx6. TEAP_ST_240_170001064.pdf104 - 80MVA 88-44-22kV (YNa0d1)(2026).xlsx14. _240-56062799_Bushings Technical Specification_Rev 4.pdf79 - 20MVA 132-66-22kV (YNa0d1).xlsx62 - 20MVA 44-11kV (YNd1)(2025).xlsx4. OHS Tender Evaluation Requirements _Transformers 2025.pdf7. NEC3 ECC PreQual Class1 Power Trfr 5yr.docx86 - 40MVA 88-11kV (YNd1)(2025)(High Z).xlsx4. Annexure G4.pdf46_10MVA 88-11kV YNd1.xlsx95 - 40MVA 132-88-22kV (YNa0d1)(2025)).xlsx92 - 40MVA 132-22kV (YNd1)(2025).xlsx5_2.5MVA, 22-11kV DYN11.xlsx91 - 40MVA 132-11kV (YNd1)(2025).xlsx23_5MVA 44-3.3kV YNd1.xlsx7_2.5MVA, 22-2.2kV Yd9.xlsx1. Environmental Requirements_Dx Class 1 Power Transformers.pdf83 - 20MVA 132-33kV (YNd1)(2025)2.xlsx61- 20MVA 44-6.6kV (YNd1)(2025).xlsx48_10MVA 88-3.3kV YNd1.xlsx108 - 80MVA 88-33kV (YNd1)(2026).xlsx20_5MVA 33-22kV YNyn0.xlsx3. 240-56062720 Oil sampling points labels.pdf105 - 80MVA 132-44-22kV (YNa0d1)(2026).xlsx25_5MVA 66-11kV YNd1.xlsx19_5MVA 33-11kV YNyn0.xlsx51_10MVA 132-11kV YNd1.xlsx9. 240-56356202 Bag leak detector.pdf50_10MVA 132-6.6kV YNd1.xlsx77 - 20MVA 132-6.6kV (YNd1)(2025)2.xlsx36_10MVA 22-11kV YNyn0.xlsx1. SDLI Strategy Doc_ BIDDERS TEMPLATE _Class 1 Power Transformers.pdf68 - 20MVA 88-33kV (YNd1)(2025).xlsx4_1.25MVA, 22-6.6kV, YNyn0.xlsx4. 240-56063843 Analogue oil and winding temperature indicators.pdf84- 40MVA 66-22kV (YNd1)(2025).xlsx47_10MVA 88-22kV YNd1.xlsx

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