Transformer Supplies, Installation and Maintenance Tenders

22Open Tenders
5Closing This Week
10Added This Month

Browse current and past Transformer Supplies, Installation and Maintenance tenders published by South African government departments, municipalities, state-owned entities and private companies looking to procure transformer supplies, installation and maintenance.

Transformer Supplies, Installation and Maintenance tenders typically call for the supply of goods, delivery of services, or execution of works related to transformer supplies, installation and maintenance. The exact scope, specifications and deliverables vary from tender to tender, so always check the attached documentation for the full requirements before bidding.

Looking across past listings, Transnet SOC Ltd, ESKOM and Department of Public Works are among the most frequent issuers; and KwaZulu-Natal, Gauteng and Western Cape account for the bulk of these listings geographically.

Listings link through to the original notice or Tender Bulletin entry, showing the closing date, tender reference number and any attached documents, so you can confirm the requirements before submitting a bid.

To find out more about a specific listing, open the tender and review the attached documentation, then contact the persons named in the document to submit your transformer supplies, installation and maintenance tender. Have a transformer supplies, installation and maintenance project of your own? Submit a Request for Quotation via our Send Us Your Tenders page and we will distribute it to our network of subscribers, who will respond directly with quotations so you can choose a suitable supplier.

Total Posts: 190
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Tender Title Tender Number Briefing Date Closing Date
Regret Letter - Design and Supply Transformer Cores And Shunts for a Period of 5 Years E0926TSSERIRRL - 2026-11-07
11:00
Publication of Names - the Design, Detailed Engineering, Manufacture, Testing at Works, Supply, Delivery, Removal of Existing Transformers, Placement on Foundation, Installation, Erection, Testing, Commissioning, and Storage of Class 0 and 1 Power Transformers on an “as and When” Required Basis for a Period of Ten Years. E2767GXMWPP - 2026-12-31
11:00
Request for Information (rfi): Provide a Single View Condition Monitoring Solution for Power Transformers and for Hv Circuit Breakers (=66kv to =132kv) E3799DXNCOU - 2026-12-07
10:00
Supply and Installation of Transformer at Waterval Sewer Plant WTV101/2026 2026-11-13
10:00
2026-11-20
11:00
Testing, Repair and Commissioning of Thabazimbi 20mva Transformer Substation (132/25kv Ac) at Koedoespoort Depot in the Eastern Region TFR/2026/08/0008/114645/RFP 2026-11-12
10:30
2026-11-19
10:00
Testing, Repair and Commissioning of Thabazimbi 20mva Transformer Substation (132/25kv Ac) at Koedoespoort Depot in the Eastern Region TFR/2026/08/0008/114645/RFP 2026-11-12
10:30
2026-11-19
10:00
Preventative Maintenance, Service and Repairs of High Tension Equipment (ht) East London and Queenstown Areas of Jurisdiction for a Period of Four (4) Months GQEQ2026/2027/149 - 2026-11-24
11:00
Preventative Maintenance, Service and Repairs of High-tension Equipment (ht) Gqeberha Areas of Jurisdiction for a Period of Four (4) Months GQEQ2026/2027/148 - 2026-11-24
11:00
Annual Transformer Oil Sampling and Repairs Q27/299/BM 2026-11-11
10:00
2026-11-18
15:00
Annual Transformer Oil Sampling and Repairs Q27/299/BM 2026-11-11
10:00
2026-11-18
15:00
The Supply of Various Types of Transformers Within the Limlanga Cluster on an “as And When” Required Basis Over a Period of Twenty-four (24) Months. E3738DXLIMOU 2026-11-03
14:00
2026-11-19
10:00
Products and solutions offerings on technologies for testing medium voltage transformers and switchgear available in the market for the city of cape town energy directorate RFI187/2026/27 - 2026-11-30
16:00
Supply and Deliver a New 2.5mva 11kv/400v Oil Immersed Transformer for Sandile Water Treatment Works AW2026/27/05 - 2026-11-17
11:00
Design, Supply, Installation and Commissioning of an 11kv Mini Substation, Perimeter and Entrance Lighting, and Security Fencing at Culemborg for a Period of Eighteen (18) Months TNPA/2026/07/0002/114563/RFP 2026-10-12
10:00
2026-11-06
16:00
Supply, Delivery, Installation and Commissioning of 2 X Oil Filled 11kv Ground Mount Metering Unit 54 of 2026 - 2026-11-18
12:00
Supply and Delivery of Fuses for Transformers (prices Valid until 30 June 2027). WEB 79: 2026/2027: RE-ADVERTISED - 2026-10-28
10:00
Rfq-hydra Sub: Take Oil Samples of Tx 1 & 2 Main Tanks by 02 November 2026 SC 10109557 – 7000017567 - 2026-11-02
12:00
For The: Repair of 88/6.6 Kv 1mva Transformer at Wesselsnek Distribution Substation TFR/2026/10/0003/115085/RFP 2026-10-28
12:00
2026-11-06
12:00
Repair of 88/6.6 Kv 1mva Transformer at Wesselsnek Distribution Substation TFR/2026/10/0003/115085/RFP 2026-10-28
10:00
2026-11-06
12:00
Supply and Delivery of Alluminium Transformers Stock Items as Per Sizes for the Period of 36 Months 8/2/1/664 - 2026-11-18
12:00
Testing, Repairing and Commissioning of Faulty 20mva Transformer at Turfgrond Substation (88/25kv Ac) Under Koedoespoort Depot in the Eastern Region TFR/2026/08/0002/114634/RFP 2026-10-14
11:00
2026-10-30
10:00
Fwpq 110 (2026/2027) Appointment of a Service Provider for the Ring Main Unit Service at Ok Mini Sub and Replacing of Mono Block Seals at Clocolan Unit FWPQ 110 - 2026-10-22
16:30
Fwpq 111 (2026/2027) Supply and Delivery of Ring Main Unit for Indoor Substation to Be Delivered in Ficksburg FWPQ 111 - 2026-10-22
16:30
Engineering Building 1: Miniature Substation Project: Engineering Building 1: Miniature Substation Project: RFT-202610-00560 2026-10-26
10:00
2026-11-05
13:00
Appointment of a Service Provider for the Rigging of Two (2) 66kva Transformers GMQ010/26-27 2026-10-23
11:00
2026-10-30
12:00
Rfq-phoenix – Hercules 2 Ht Breaker Service & Testing by 23 October 2026 7000017526 – (SC10109128) 2026-10-20
10:00
2026-10-23
12:00
IT Building: Miniature Substation Project RFT-202610-00559 2026-10-26
10:00
2026-11-05
13:00
Gmq010/26-27 – Appointment of a Service Provider for the Rigging of Two (2) 66kva Transformers GMQ010/26-27 2026-10-23
11:00
2026-10-30
12:00
Once-off Supply, Delivery and Offloading of 1 Mva, 22 /11kv Ground Mounted Transformer for Natures Valley. SCM/2026/111/ENG - 2026-11-13
12:00
Once-off Supply, Delivery and Offloading of 1 Mva, 22 /11kv Ground Mounted Transformer for Natures Valley. SCM/2026/111/ENG - 2026-11-13
12:00
Addendum: Refurbishment and Upgrade of Margate Storm-damaged Infrastructure, Wastewater Treatment Works and Effluent Main (phase 2) UGU-07-1734-2026 2026-09-17
10:00
2026-10-16
12:00
Readvertised Major Service Ht Transformers Mv Switch Gears, Rmu Units All Ht, Mv Equipment & Panels, Power Factors ZNQ/PMM/612/26/27 2026-10-21
09:00
2026-10-28
11:00
Voltage Transformer (vt) Diagnostic and Replacement RFQ/VT02/2026 2026-10-21
11:00
2026-10-28
11:00
Addendum: Refurbishment and Upgrade of Margate Storm-damaged Infrastructure, Wastewater Treatment Works and Effluent Main (phase 2) UGU-07-1734-2026 2026-09-17
10:00
2026-10-16
12:00
Voltage Transformer (vt) Diagnostic and Replacement RFQ/VT02/2026 2026-10-21
11:00
2026-10-28
11:00
Saps: Richards Bay There’s No Power Supply at the Station as a Transformer Explosion: Fault-find Cable Fault and Repair/ Replace Faulty Cable DBNQ/ID-3295125 - 2026-10-27
11:00
SAPS: Richards Bay There’s no Power Supply at the Station as a transformer explosion: Fault-find cable fault and repair/ replace faulty cable. (Troubleshooting, Major Service, Repairs and Restoration of Power from Municipality Grid to the 500kVA 11kV/415V ONAN Dyn11 Mini Substation and the Police Station) DBNQ/ID-3295125 - 2026-10-27
11:00
Saps: Richards Bay DBNQ3295125 - 2026-10-27
11:00
Bid No 48 of 2026 Repair of Load Tap Changer of 1x 2000kva Transformer at Makhado Park Subst 48 / 2026 - 2026-10-23
12:00
Bid No 49 of 2026 Supply, Install, Test and Commission of 1x 2.5mva Transformer at Roodewal 49 / 2026 - 2026-10-23
12:00
Bid No 47 of 2026 Repair of Leaking Pressure Relief Valve at Makhado Park Substation 47 / 2026 - 2026-10-23
12:00
Bid No 50 of 2026 Supply, Install, Test and Commission of 1x 1mva Transformer at Tshipise 50 / 2026 - 2026-10-23
12:00
Hercules-phoenix 2 Ht Bkr Service by 19 October 2026 70000017468(10109156) 2026-10-13
10:00
2026-10-19
12:00
Design and Supply Transformer Cores and Shunts for a Period of 5 Years E2226TSSERI 2026-10-19
10:00
2026-10-30
11:00
Rfq-cygnus Ss Power Trfr 3 Electrical Testing Sow by 19 October 2026 7000017477– (SC10109194) 2026-10-14
11:00
2026-10-19
12:00
Addendum for Bid No 49 of 2026 and 50 of 2026 49 of 2026 and 50 of 2026 - 2026-10-23
12:00
Testing, Repairing and Commissioning of Faulty 20mva Transformer at Turfgrond Substation (88/25kv Ac) Under Koedoespoort Depot in the Eastern Region TFR/2026/08/0002/114634/RFP 2026-10-14
11:00
2026-10-30
10:00
Testing, Repairing and Commissioning of Faulty 20mva Transformer at Turfgrond Substation (88/25kv Ac) Under Koedoespoort Depot in the Eastern Region TFR/2026/08/0002/114634/RFP 2026-10-14
11:00
2026-10-21
10:00
Dcs-groenpunt: Raw Water Substation: Request Servicing of Transformers, Switch Gear, All Circut Breakers and Isolators ID-3272206 - 2026-10-21
11:00
DCS-Groenpunt: Raw Water Substation: Request Servicing Of Transformers, Swith Gear, All Circuit Breakers And Isolators ID-3272206 - 2026-10-21
11:00
Total Posts: 190

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