VVUZA

Design and Installation of Transformers at Botshabelo Substation

Kenneth Mohlakane

In plain English

CENTLEC is procuring the design, supply, installation, and commissioning of three new 33/11KV 10MVA transformers and associated infrastructure upgrades. Bids are invited from registered electrical consulting engineers with applicable professional teams.

Always check the official document
Closing date
15 October 2026
Location
30 Rhodes Avenue-Oranjesig-Bloemfontein-9301
Estimated value
R 45 000 000
Published
14 September 2026
Tender no.
RFP15-2026

Description

CENTLEC (SOC) Ltd invites bids for the design, manufacturing, supply, installation, testing, and commissioning of three new 33/11KV 10MVA transformers. The project includes turnkey project management, civil and electrical works, and the upgrading of existing 11kV switching infrastructure. Key deliverables involve installing tap change control, protection facilities, SCADA systems, metering equipment, and security surveillance systems at the Botshabelo Substation T and W Distribution Centres. The contract duration is thirty-six months. This project is essential for maintaining and improving electricity distribution within the Mangaung Metro Municipality. All work must adhere to strict safety, health, and environmental protocols, including the maintenance of a comprehensive safety file and mandatory site inductions. The tender was advertised on 14 September 2026, with a final submission deadline of 15 October 2026.

What you need to qualify

  • Letter of Good Standing — COID registration and a Letter of Good Standing from the Compensation Fund.
  • Other registration — An industry registration the tender requires (e.g. PSIRA, NHBRC, a professional or trade licence).

Full requirements

  • Must be registered as professional electrical consulting engineers
  • Must provide valid COIDA Letter of Good Standing
  • Must hold relevant industry-specific certifications and accreditations
  • Must provide proof of competency for OHS Act appointments

Contact & how to apply

Name: Kenneth Mohlakane

Email: Kenneth.Mohlakane@centlec.co.za

Phone: 051-409-2226

How to apply: Interested parties must visit the e-tender portal at www.etenders.gov.za, navigate to 'Tender Opportunities', search for 'CENTLEC' under 'Organ of State', and download the documentation for RFP15/2026.

Download tender documents

Related tenders

Electrical & Plumbing07 Oct 2026today

Supply and Commissioning of Power Transformers.

Eskom Holdings SOC Ltd invites tenders for the design, engineering, manufacturing, testing, supply, delivery, installation, and commissioning of Class 1 Power Transformers on an 'as and when' required basis over five years for the Distribution Division. The project includes lifecycle management of transformers from 1MVA to 160MVA (11kV to 132kV), adherence to technical specifications, and factory capability assessments. Successful bidders will enter a closed competitive RFQ process for specific orders.

Various Distribution Sites -Brackenfell-Western Cape -7560R 50 000 000
Electrical & Plumbing23 Oct 2026

Supply and Commissioning of Transformer at Roodewal Substation

The Makhado Local Municipality invites bids for electrical infrastructure projects, including the supply, installation, and commissioning of transformers at Roodewal Substation and Tshipise, and repairing pressure relief valves and load tap changers at Makhado Park Substation. All work must adhere to municipal standards. Submissions close on 23 October 2026 at 12:00pm.

83 Krogh Street-Makhado-Makhado-0920R 2 500 000
Electrical & Plumbing23 Oct 2026

Repair and installation of transformers at substations.

The Makhado Local Municipality invites bids for electrical infrastructure projects, including repairing a load tap changer at Makhado Park Substation and supplying, installing, testing, and commissioning two new transformers at Roodewal Substation and Tshipise. Completion must adhere to municipal standards. Closing date for bids is 23 October 2026 at 12:00pm.

83 Krogh Street-Makhado-Makhado-0920R 3 500 000
Electrical & Plumbing23 Oct 2026

Supply and Commissioning of Transformer at Tshipise.

The Makhado Local Municipality invites bids for electrical infrastructure projects, including the supply, installation, testing, and commissioning of a 1MVA transformer at Tshipise. The scope also covers repairs at Makhado Park Substation and Roodewal Substation. All work must adhere to municipal standards. Bids close on 23 October 2026 at 12:00 pm.

83 Krogh Street-Makhado-Makhado-0920R 2 500 000
Construction & Engineering30 Oct 2026

Design and installation of electrical and security infrastructure.

The Transnet National Ports Authority invites bids for the design, supply, installation, and commissioning of an 11kV mini substation, perimeter and entrance lighting, and security fencing at Culemborg in the Port of Cape Town. The project, under the NEC3 Engineering and Construction Contract, spans eighteen months and includes electrical and civil works, as-built drawings, and electrical Certificates of Compliance. Compliance with maritime security and port safety protocols is required. A compulsory briefing session is on 12 October 2026.

Port of Cape Town - Cape Town - Cape Town - 8001R 45 000 000
Electrical & Plumbing20 Oct 2026

Supply and Installation of Electrical Infrastructure

PRASA requires the supply, installation, testing, and commissioning of a battery charger cabinet at Langlaagte Signal Cabin and a transformer magnetic oil gauge at Germiston Rhino substation. The contractor must provide labor, equipment, and transport, adhering to safety protocols near rail infrastructure. A 52-week guarantee is included, and bidders need experience with 500KVA transformers. Pricing must be fixed, with payments within 30 days. The project uses an 80/20 preference point system, requiring a minimum technical score of 70 points.

41A Carr Street, Braamfontein, Jhb-Johannesburg-Johannesburg-2000R 450 000