Transformer Supplies, Installation and Maintenance Tenders

See below for a list of Transformer Supplies, Installation and Maintenance Tenders. These tenders can consist of Request for Information (RFI), Request for Quotation (RFQ), Request for Proposal (RFP), Expression of Interest (EOI) or Request for Tender (RFT) listings. To find out more about a specific listing, click on the link below and view the tender details and attached tender documentation. Then contact the relevant persons listed in the document to submit your Transformer Supplies, Installation and Maintenance tender.

Do you have a Transformer Supplies, Installation and Maintenance project that you would like quotations for? Submit your Request of Quotation and we will distribute it to our network of Tender Notification Subscribers. They will contact you with Quotations and you can choose a suitable supplier or service provider. See the Send Us Your Tenders page for more details

Total Posts: 843
Tender Title Tender Number Briefing Date Closing Date
Trim/2026/04/0798/4785/rfq TRIM/2026/04/0798/4785/RFQ 2026-06-17 10:30 2026-06-25 10:00
Service Providers for Supply and Delivery of Transformers, Mini Substations, Switchgear, Tools, and Associated Electrical Equipm 9/3/1/431 - 2026-07-17 12:00:00
Draw Oil Sample from Mini Substation Transformers & Top Up Oil THH 08 2026 27 2026-06-09 10:00 2026-06-12 11:00
Panel of Five (5) Service Providers for Supply and Delivery of Transformers, Mini Substations, Switchgear, Tools, and Associated Electrical Equipment as and when Required for a Period of 36 Months 9/3/1/429 - 2026-07-17 12:00
Major Service Ht Transformer, Mv Switch Gears, Rmu Units, All Ht, Mv Equipment & Panels Power Factors PMM-187-26-27 2026-06-09 09:30 2026-06-15 11:00
Major Service of Transformer and Switch Gear MVH064 - 2026-06-09 11:00
Manufacture, Testing, Supply and Delivery of Csp Transformers SCM/1333/G/2025-2026 - 2026-07-16 11:00
Appointment of a Service Provider for Electrical Infrastructure Upgrade Project: Supply and Install a 1250 Kva Transformer, Removal of Existing Transformer, Db Rewiring, Lighting and Small Power Rectification, Earthing & Lightning Protection Upgrades with CIDB/004/2627 2026-06-12 11:00 2026-06-29 11:00
Supply, Installation, Testing, and Commissioning of the Schweitzer Engineering Laboratories (sel- 487e) Protection Scheme for the 20 Mva 66/11 Kv Transformer No. 3 at Unitra Substation, Including H-frame and Low Voltage (lv) Bus Support for a Period of Six (06) Months Unitra Substation, Including H-frame and Low Voltage (lv) Bus Support for a Period of Six (06) Months. (re-advert) SCM NO: 025-2025/26 - 2026-07-09 12:00
Appointment of a Service Provider for Electrical Infrastructure Upgrade Project: Supply and Install a 1250 Kva Transformer, Removal of Existing Transformer, Db Rewiring, Lighting and Small Power Rectification, Earthing & Lightning Protection Upgrades with Three-year Maintenance Services at the Cidb Head Office in Centurion CIDB 004/2627 2026-06-12 11:00 2026-06-29 11:00
Electrical Network Decentralisation Project - Hatfield Campus RFT-202605-00528 2026-05-22 10:00 2026-06-05 12:00
Refurbishment of 500kva Distribution Transformer at Various 11kv Substation Ring of 6 Substation and Each Substation Contain 2 Transformers at Vhd East and One 20mva, 25kv Traction Substation Iswepe Under the Control of the Depot Engineer, Vryheid TRIM/2026/03/0200/2196/RFQ 2026-05-25 10:30 2026-06-12 10:00
Assessment and Repairs of High Frequency and Tr Set Transformers for Unit 4 and Unit 1 at Lethabo Power Station for a Period of 12 Months. E3000GCDGXLET 2026-06-05 10:00 2026-06-17 10:00
Draw Oil Samples for Mini Substation Transformers & Top Up Oil thh 08 2026-06-03 10:00 2026-06-09 11:00
Refurbishment of 500kva Distribution Transformer at Various 11kv Substation Ring Are 6 Substation and Each Subs Contain 2 Transformer Vhd East and 20mva, 25kv Traction Substation Iswepe Under the Control of the Depot Engineer, Vryheid TRIM/2026/03/0200/2196/RFQ 2026-05-25 10:30 2026-06-12 10:00
The Maintenance and Refurbishment of Medium Voltage Transformers, Standby Diesel Generators and Station Continuity Testing on an “as and when Required Basis” at Arnot Power Station for a Period of 60 Months E2993GXMPARN - 2026-06-30 10:00
Mv switchgear, transformer and minisubstation maintenance and training 253S/2025/26 2026-06-12 10:00 2026-07-15 10:00
Mv Switchgear, Transformer and Minisubstation Maintenance and Training 253S/2025/26 2026-06-12 10:00 2026-07-15 10:00
Supply & Delivery of Analogues & Current Transformers 6000080509 - 2026-06-04 12:00
Annual Service to Mini Subs Station GJM-60 26.27 - 2026-06-01 11:00
For the Supply, Install and Commission 3kv Dc 6mva Traction Transformer at Hamelfontein 3kv Dc Traction Substation Under Control Depot Engineer, Ermelo TRIM/2026/04/0693/4301/RFP 2026-05-11 11:00 2026-05-29 10:00
Electrical Substations TE/2026/03/1061/3623/RFP 2026-06-04 11:00 2026-06-24 11:00
Major Service for Transformer HLB 030 26-27 - 2026-06-03 11:00
Rfq-take Sample and Provide Analysis for the Two 1000kva Transformer REF20941 - 2026-05-29 16:00
Full Rewinding and Testing of Transformers and Necrts in Limlanga Cluster (500kva, 750kva, 1000kva,1250kva, 1600kva, 2000kva, 2500kva, 3150kva, 3500kva, 4000kva and 5000kva) and Necrts from 6,6kv, 11kv, 22kv, 33kv and 44kv and Provide for Auxiliary Box, 24 Way Module, 12 Way Module, Nameplate, Led Light and Heater on an “as and when Required” Basis Over Period of 5 Years. E2930DXMPOU - 2026-06-19 10:00
Supply and Delivery of Oil Immersed Current Transformer E1426TSSERI 2026-06-04 10:00 2026-06-15 10:00
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. E2767GXMWP 2026-06-08 10:00 2026-06-30 10:00
Provision of Cabling, Stringing Works, and Removal of 40mva 132/22kv Transformer No.12 at Sol Substation E2200NTCSAMWP - 2026-05-22 08:00
Quotation Advertisement – Supply and Delivery of Transformer - - 2026-04-29 12:00
Mookodi Extension & 1st 500mva Transformer Stringing & Cabling E2621NTCSAMWP 2026-04-08 11:00 2026-06-29 10:00
Refurbishment of 500kva Distribution Transformer at Various 11kv Substation Ring of 6 Substation and Each Substation Contain 2 Transformers at Vhd East and One 20mva, 25kv Traction Substation Iswepe Under the Control of the Depot Engineer, Vryheid TRIM/2026/03/0200/2196/RFQ 2026-05-25 10:30 2026-06-01 10:00
Refurbishment of 500kva Distribution Transformer at Various 11kv Substation Ring Are 6 Substation and Each Subs Contain 2 Transformer Vhd East and 20mva, 25kv Traction Substation Iswepe Under the Control of the Depot Engineer, Vryheid TRIM/2026/03/0200/2196/RFQ 2026-05-25 10:30 2026-06-01 10:00
Refurbishment of 500kva Distribution Transformer at Various 11kv Substation Ring of 6 Substation and Each Substation Contain 2 Transformers at Vhd East and One 20mva, 25kv Traction Substationiswepe Under the Control of the Depot Engineer, Vryheid TRIM/2026/03/0200/2196/RFQ 2026-05-25 10:30 2026-06-01 10:00
Refurbishment, Repair, Testing and Commissioning of 3kv Dc Traction Transformers at Teakworth, Perdekop and Spruytrust Substation TRIM/2026/04/0809/4809/RFQ 2026-05-22 10:00 2026-06-05 12:00
Refurbishment of 500kva Distribution Transformer at Various 11kv Substation Ring of 6 Substation and Each Substation Contain 2 Transformers at Vhd East and One 20mva, 25kv Traction Substation Iswepe Under the Control of the Depot Engineer, Vryheid TRIM/2026/03/0200/2196/RFQ 2026-05-25 10:30 2026-06-01 10:00
For the Supply, Install and Commission 3kv Dc 6mva Traction Transformer at Hamelfontein 3kv Dc Traction Substation Under Control Depot Engineer, Ermelo TRIM/2026/04/0693/4301/RFP 2026-05-11 11:00 2026-05-29 10:00
For the Supply, Install and Commission 3kv Dc 6mva Traction Transformer at Hamelfontein 3kv Dc Traction Substation Under Control Depot Engineer, Ermelo TRIM/2026/04/0693/4301/RFP 2026-05-11 11:00 2026-05-29 10:00
Refurbishment, Repair, Testing and Commissioning of 3kv Dc Traction Transformers at Teakworth, Perdekop and Spruytrust Substation TRIM/2026/04/0809/4809/RFQ 2026-05-22 10:00 2026-06-05 12:00
Proposal Sought for Self-resetting Pole Mounted Transformer E2857DXGOU 2026-06-04 10:00 2026-07-14 10:00
Sypply of New Free Breathing Transformer 1250 Kva at Custom House ID-3274683 - 2026-05-21 11:00
Refurbishment of 2 X 20mva Traction Transformers at Various Substations on the Richards Bay Depot. TRIM/2026/04/0705/4339/RFQ 2026-05-21 11:00 2026-05-28 10:00
Refurbishment of 2 X 20mva Traction Transformers at Various Substations on the Richards Bay Depot TRIM/2026/04/0705/4339/RFQ 2026-05-21 11:00 2026-05-28 10:00
Refurbishment of 2 X 20mva Traction Transformers at Various Substations on the Richards Bay Depot TRIM/2026/04/0705/4339/RFQ 2026-05-21 11:00 2026-05-28 10:00
Supply, Delivery and Installation and Commissioning of 3kv Traction Transformer and Auxiliary Transformer Under the Jurisdiction of Vereeniging Infra Depot. TRIM/2026/02/0092/1659/RFP 2026-04-15 11:00 2026-05-27 10:00
Rfq: Supply and Delivery of 22kv Resin Encapsulated Single Phase Voltage Transformer Unit 122/2026 - 2026-05-20 12:00
Apointment of a Competent Service Provider for the Maintenance, Service and Parts Supply for Transformers at Sabc Auckland Park Campus as Once-off Project RFQ/LOG/2026/10252243/19 2026-05-20 10:30 2026-05-26 12:00
Apointment of a Competent Service Provider for the Maintenance, Service and Parts Supply for Transformers at sabc Auckland Park Campus as Once-off Project RFQ/LOG/2026/10252243/19 2026-05-20 10:30 2026-05-26 12:00
Fwpq No 67 of 2025-2026 Service of Transformers FWPQ NO 67 of 2025-2026 - 2026-05-15 11:00
For the Supply, Install and Commission 3kv Dc 6mva Traction Transformer at Hamelfontein 3kv Dc Traction Substation Under Control Depot Engineer, Ermelo TRIM/2026/04/0693/4301/RFP 2026-05-11 11:00 2026-05-18 10:00
Koekemoer Substation Re-instatement TRIM/2026/02/0097/1722/RFP 2026-04-08 10:00 2026-05-15 10:00
Total Posts: 843

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