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
Rfq-hydra Ss Trfr 1 and Trfr 3 Electrical Test by 20 August 2026 7000017033 – (SC10106584) 2026-08-17
11:00
2026-08-20
12:00
Cancellation of T5/2026 CANCELLATION OF T15/2026 - 2026-08-26
08:00
Rfq15 Supply and Delivery of Substation Battery Protection Unit RFQ15 - 2026-08-20
11:00
Cancellation of T15/2026 -supply Deliver and Install a 4mva, 11kv/22kv Transformer at Somerset East Main Substation CANCELLATION OF T15/2026 2026-08-11
10:00
2026-08-25
12:00
Replacement of 60mva 132/66/33kv Transformer No.2 at Tarentaalrand Substation SCMU 26/2026 2026-08-18
10:00
2026-09-10
12:00
Replacement of 60mva 132/66/33kv Transformer No.2 at Tarentaalrand Substation SCMU 26/2026 2026-08-18
10:00
2026-09-10
12:00
Panel of Four (04) Service Provider for Supply and Delivery of Transformers and Mini Substations for a Period of Three (03) Years. 041/2025/26 - 2026-09-14
12:00
Annual Service of Mv Switchgears and Transformers at Natalia Building ZNQ/HOH/0273/26-27 2026-08-18
11:00
2026-08-27
11:00
Supply and Deliver Two Step-down Transformers TPL/2026/08/0538/9853/RFQ - 2026-08-11
13:00
Rfq-supply, Retrofit and Commission an Automatic Voltage-regulation Relay on Hydra Ss Trfr 1 Oltc Scheme by 14 August 2026 7000016988- (SC10107176) 2026-08-11
09:00
2026-08-14
12:00
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. E3324DXECOU 2026-08-26
11:00
2026-10-28
10:00
Erratum- T15/2026 – Supply, Deliver and Install 4 Mva, 11kv/22kv Star/star Transformer with Open Bushings and Temperature Control ERRATUM -T15/2026 2026-08-11
10:00
2026-08-25
12:00
Supply, Deliver and Install 4mva,11kv/22kv Star/star Transfomer with Open Bushing and Temperature Control T15/2026 2026-08-11
10:00
2026-08-25
12:00
Request for Quotations from Suitably Qualified Service Providers O Supply New Battery Tripping Units (b.t.u), Repair Power Transfromers Bushing and Service Power Transformers at Fidel Castro Building, Mefontein, O.r Tambo and Furniture Factory in Bloemfon SMQ148/01/2026 - 2026-08-18
11:00
Rfq-replace Rotten Lv Poles in Ngwelezana by 12 August 2026 7000016956 – (SC10107115) 2026-08-06
08:00
2026-08-12
12:00
The Establishment of an Enabling Agreement with a Panel of 20 Contractors for the Provision of Supervision, Labour, Plant, Equipment, Material (except the Big Five (poles, Transformers, Meters, Conductor and Cable) and Transport (as it Will Be Required and Authorized in Specific Circumstance) for Reticulation Projects in the Kwa-zulu Natal Operating Unit, Central East Cluster on an “as and When” Required Basis for a Period of Thirty-six (36) Months. E3262DXKZN 2026-08-12
09:00
2026-09-14
10:00
Rfq-hercules Trfr 1 Ss Power Trfr Test Sow by 07 August 2026 7000016930 – (SC10105686) 2026-08-04
09:00
2026-08-07
12:00
Rfq-supply & Deliver: Tx Silica Gel Breathers by 07 August 2026 SC 10106940 – 7000016925 - 2026-08-07
12:00
Testing, Repair and Commissioning of Transformer At Cavendish a Unit and Georgedale Substation CRAC DNR 58039 2026-08-07
10:00
2026-08-14
12:00
Rfq-hercules/phoenix Ohl Repair by 06 August 2026 7000016922 – (SC10106938) 2026-08-03
09:00
2026-08-06
12:00
Description of the Service: Testing, Repair and Commissioning of Transformer at Cavendish a Unit And Georgedale Substation CRAC DNR 58039 2026-08-07
10:00
2026-08-14
12:00
Annual Service to Mini Sub Stations GJM-60(b) 26.27 - 2026-07-31
11:00
Supply and Delivery of Transformer and Drop Out Fuse SLM/SCM/02/2026/2027 - 2026-07-29
12:00
Supply, Deliver and Install 4mva, 11kv/22kv Star/star Transfomer with Open Bushings and Temperature Control T15../2026.. - 2026-08-11
12:00
Supply, Delivery, Installation, Commission, and Handover of Twenty-two (22) 3kva and One (1) 10kva Transformer-based and Tropicalised Uninterruptible Power Supply (ups) in Substations, Railyard Points, Berth 208/209 Control Desks, and Buildings in the Port of Richards, Once off TNPA/2026/07/0003/114599/RFQ 2026-08-10
10:00
2026-08-31
12:00
Supply and Delivery of Oil Immersed Current Transformers Reissue E1426TSSERIR 2026-07-29
10:00
2026-08-13
10:00
Site Meeting: Service and Repair All Transformers at Denel Irene Campus transformer001 2026-07-28
10:00
2026-07-31
11:00
Rfq-indus Sub Tx 1 T/c Change Oil and Service by 31 July 2026 7000016857 – (SC10106712) 2026-07-28
09:00
2026-07-31
12:00
Rfq-polaris Tx 1 Isolator Repairs by 30 July 2026 7000016839 – (SC10106608) 2026-07-27
10:00
2026-07-30
12:00
Transformer:power supply;pa 1641 GK12700034 - 2026-07-31
16:00
East Grid Asea Imba/e Current Transformers High Risk Replacement for Avon, Impala, Mersey and Tugela Substation – Cabling and Stringing E3248NTCSAMWP 2026-07-28
10:00
2026-08-24
10:00
Eskom Distribution Electrification Projects in the Cape Coastal Cluster-western Cape on an as and when Required Basis for a Period of 36 Months (top Up Contract) E1750DXWCR1-Reissue 2026-07-23
14:00
2026-08-05
08:00
Supply, Delivery, Installation and Connection of 100kva and 25kva Transformers at Doorndraai Dam Nature Reserve EDET G0551 - 2026-07-27
11:00
Supply, Delivery, Installation and Connection of 100kva and 25kva Transformers at Doorndraai Dam Nature Reserve EDET/QUOTE G0551 - 2026-07-27
11:00
Scmq148/2026 SMQ148/2026 - 2026-07-29
11:00
Rfq - Carina Sub Purify Tx 2 Main Tank Oil Closing by 22 July 2026 70000016749(10106146) 2026-07-17
08:30
2026-07-22
12:00
Rfq - Hydra Tx 3 Oil Purification Closing by 17 July 2026 70000016744(10106135) 2026-07-17
08:00
2026-07-22
12:00
Rfq - Scorpio Sub: Hercules 1 132kv Service Breaker & Testing Closing by 17 July 2026 7000016747 – (SC10106151) 2026-07-17
09:00
2026-07-22
12:00
Appointment of Panel of Electro-mechanical Terms Contract for Sekhukhune District Municipality for a Period of Three (3) Years SK8/3/1-03/2026/27 - 2026-08-17
11:00
Appointment of a Service Provider for Certified Data Sanitisation and Compliant E-waste Recycling of Ict Assets for the Mine Health and Safety Council. 2436 - 2026-07-16
11:00
Total Posts: 190

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