Substation commissioning services

Our team of experts commissions new substation equipment for utilities, mines and industries. Tests are carried out with precision to ensure that all equipment was installed properly and will perform as expected when in service. We carry out cold commissioning and hot commissioning on all substation equipment.

We also commission existing substation equipment after major repairs or retrofits.

Substation equipment that we commission:

  • Protection relays
  • Protection panels
  • Circuit breakers
  • Disconnectors
  • Voltage transformers (VTs)
  • Current transformers (CTs)
  • Protection relays
  • DC supplies ( batteries and battery chargers)
  • AC supplies and distribution boards
  • Primary plant interface to the protection and control panels
  • Capacitor banks
  • Substation earthing

Protection schemes that we commission

  • Overcurrent protection
  • Over/under voltage protection
  • Frequency protection
  • Transformer protection
  • Distance protection
  • Line differential protection
  • Busbar protection
  • Capacitor bank protection
  • Motor protection
  • Generator protection

If you require our substation commissioning services, send your inquiry to or if you require an urgent quote, please call Douglas on +27 82 639 7778 / +27 11 452 4226 or send an email to You can also complete the form below and submit and we will get back to you.