We also provide surface and underground mini-substations up to 1250KVA 22KV; testing in accordance to SANS780, IEC70076 and BS171.

Mini-Substations South AfricaOur manufacturing plant is situated in Roodekop, Germiston, and produces hyper-efficient mini-substations for clients in the building and construction, as well as mining sectors in Sub-Saharan Africa. Our fully-equipped facility creates and maintains up to 1250 kVA 22kk surface and underground mini-substations.


We produce only the most exceptional quality and any of our clients will attest to the efficiency of service delivery they experience.

All newly manufactured and repaired units are strictly tested in alignment with the SANS 780; IEC70076 and BS171 regulations. This is to ensure that only the finest quality is provided to each one of our valued clients.

We also provide the following products and services in order to cater for a full lifecycle solution:

Surface and underground mini-substations up to 1250 kVA 22KV Transformer and mini-substation audits
Custom made panels for electrical/mechanical use Customised fabrications and solutions to each client’s requirements

Should you require advice on customisations or even specifications for specific environments, our expert consultants and teams are available to ensure that you have the best possible solution in place. We are well-versed at the requirements dictated by several regulatory bodies, including Eskom specifications.

We can even supply units that are coastal ready where applicable, to ensure the longest lifespan possible for almost any challenging environment.

Mini-Substations South Africa, Botswana, Namibia, Zambia – Semeg

Contact us today and get more information on our surface and underground mini-substation solutions.