We provide a comprehensive range of services to install, test, commission and refurbish your crucial Transformer assets.

Turnkey services to optimise your operation

Our turnkey service, with comprehensive reporting, provides you the assurance to optimise your operation.

STE’s experienced team are familiar with the full asset lifecycle of Transformers and can provide support from construction to decommissioning. Our operating systems are 45001 compliant to ensure we apply the correct measures to control the high risk environment in which we work.

Our thermal and vacuum degassing units are equipped with a special heater which prevents oil burning due to low mean surface power and prevent oil overheating after the machine is stopped.


Our range of services include

  • Installation and assembly
  • Full range of onsite testing
  • Repair/refurbishment
  • Tap changer inspection and service
  • Oil handling, sampling and analysis
  • Protection installation and testing
  • Pre-commissioning and function testing
  • Routine preventative maintenance