Kobalt has strong capabilities in transmission, distribution, substation infrastructure and technical services both above- and under-ground works. Kobalt builds capabilities through its highly skilled labourers and experienced management team along with cost-effective and timely suppliers. Kobalt’s scope of work in E&I include: electrical instrumentation, telecommunications, commissioning, engineering, project planning, cable laying, installation and jointing, reinstatement and other general works related to such.

Kobalt successfully and safely delivers various types of projects throughout Australia ranging from metropolitan areas to regional and remote areas.

Electrical Instrumentation

  • Electrical and instrumentation works
  • Substations and switch yards
  • Switchgear and control systems installation
  • Underground cabling
  • Transmission line construction
  • Automation
  • Switch room and control room installation
  • Instrument tubing
  • Hazardous area installation
  • Area/roadway lighting
  • Assembly of modular units and skids
  • Cable ladder installation
  • High voltage and low voltage control, instrument communication cabling and terminations


  • Commissioning documentation development
  • Implementation and execution
  • Factory and site acceptance testing
  • Client representation and quality control
  • Compliance testing

Transmission Lines

  • Construction of lines from 66kV to 220kV
  • Major shutdowns for transmission
  • Maintenance of transmission lines
  • Civil and concrete footings
  • Tower construction
  • OPGW installation and maintenance
  • Emergency services


  • Design reviews, checks and optimisations
  • Studies, audits and analysis of installations
  • Western power outage planning and HV submissions
  • Failure investigations and fault-finding
  • Adherence to regulations and standards
  • Upgrades of installations


  • Maintenance
  • Sustaining capital projects
  • Shutdown planning and execution
  • Asset remediation works
  • Hazardous area inspections pre-commissioning and commissioning
  • Telecommunications and fibre optics

High Voltage

  • Distribution and transmission transformers
  • High voltage/Low voltage switchboards, switch yards and substations
  • Primary and secondary plant
  • Single and three phase secondary injection
  • Primary injection
  • High voltage cable testing
  • Partial discharge
  • Thermographic imaging
  • High voltage withstand testing
  • Power protection schemes
  • Control systems
  • High voltage VSD systems
  • High voltage/Low voltage reticulation and circuit breakers
  • Earthing systems