TechTest Services has been involved in a range of major maintenance and commissioning projects including but not limited to the following:


  • Traralgon Zone Substation 66/22kV Rebuild
  • Brooklyn Terminal Station 220/66kV Rebuild
  • Heatherton Terminal Station DC Distribution & SCADA Upgrade
  • Keilor Terminal Station 500/220/66kV Transformer Installation
  • Thomastown Terminal Station 220/66kV Rebuild
  • Leongatha Zone Substation 66/22kV Rebuild
  • Bendigo Terminal Station 220/66/22kV Rebuild
  • Officer Zone Substation 66/22kV
    Greenfield Substation Commissioning
  • Wodonga Terminal Station 330/66kV Transformer
    Protection Upgrade
  • Moorabool—Heywood—Alcoa 500kV Lines Protection Upgrade —Tarrone Terminal Cut-In
    Mortlake Cut-In
  • Heywood Terminal Station 500/275/22kv Substation 22kV Augmentation (Stage 1&2)
  • Heywood Terminal Station 500/275/22kV AEMO Special Control Scheme Implementation
  • Ballarat Terminal Station (Waubra Wind Farm project) Protection and Control Upgrade
  • Shepparton Terminal Station 66kV circuit breaker replacement & RTU upgrade
  • Brooklyn, Templestowe, Fishermans Bends 220/66KV Synchronous condenser protection upgrade
  • Morwell North, Morwell Power Station, Yallourn Zone Substation Arc Fault Protection Installation
    & Commissioning
  • Geelong Refinery HV Asset Upgrade
  • Alcoa Overvoltage Intertrip Control Scheme
  • Ringwood Terminal Station 150MVA, 220/66 kV
    Emergency Transformer Replacement
  • Kerang Terminal Station Static VAR Compensator (SVC) Protection Upgrade
  • Wangaratta Zone Substation – REFCL Installation, testing & substation rebuild
  • Rowville Terminal Station – Static VAR Compensator (SVC) 2 Installation, Testing & Commissioning
  • Lake William Hovell Hydro – Turnkey HV Isolation transformer and auto-reclosers (ACR) Install, Test & Commission


  • Coran Substation 132/11kV Commissioning
  • Buranda Substation 33/11kV Commissioning
  • Doboy Substation 33/11kV Commissioning
  • Yandina Substation 33/11kV Commissioning
  • Gympie Substation 33/11kV Commissioning
  • Hendra Substation 33/11kV Transformer Pre-commissioning
  • Whinstanes Substation 33/11kV Comissioning
  • Max Fulton Substation 66/11kV SCADA Augmentation Installation & Commissioning
  • Cranbrook Substation 66/11kV SCADA Augmentation Peter Arlett Substation 66/11kV Communications Install & Upgrade
  • Energex embedded Protection Testing Training
  • Clare Solar Farm – Substation Testing and Commissioning Services
  • Hughenden Solar Farm – HV Substation Construction Services

Northern Territory

  • Owen Springs 66/22kV CT and VT Commissioning
  • Bladin Point Combined Cycle Power Plant Commissioning
    5×48.75 MVA Gas Turbine Generators (GTG)
    3×132 MVA Steam Turbine Generators (STG)
  • Darwin Port Corporation 11kV Protection Upgrade
  • Strangways Zone Substation – Protection and Control Commissioning

Western Australia

  • Worsley Multifuel Co-Generation Project 6.6/11/132kV Commissioning
  • Ord River 132kV Line Protection Upgrade
  • Solomon Mine Consultant Commissioning Services
  • Kunnanurra 132kV Line Protection Upgrade
  • Kwinana Power Station maintenance
  • West Angelas Power Station Commissioning Services
  • Western Pilbara Protection & Automation upgrade Project

New South Wales

  •  The Drop Hydro Power Station 22/6.6kV Protection Maintenance
  • Keepit Hydro Power Station 66/11kV Protection Re-commissioning


Specialists in: High Voltage Testing – Protection Testing – Generator Commissioning