Substation & Lines Services

HVT is one of the largest installation contractors of high voltage cabling & stringing, tubular busbars projects and substation equipment, as required for substation build and renewal programmes. 8 crews trained and accredited up to 765kV. Services include design, supply, construction and installation of substation site services from equipment installation to turnkey substation construction.

Site Services fills the gap in the market for high voltage accredited service providers

  • Design of distribution and transmission substations including equipment specification, layout + arrangement, control + protection ect.
  • Turnkey substation construction and rehabilitation projects
  • Sites Services provides skilled labour and project management to assist utilities and major project companies construct high voltage substations

– Tubular busbar systems

– Stringing busbar systems

– Substation cabling (protection and control)
– Installation of a complete range of substation equipment

HVT has HV accredited, equipped teams

  • Supplier to Eskom 765kV substation build programme
  • Teams equipped to manage multiple large projects up to 765kV
  • Experienced technical, design & project management team
  • Each team is fully equipped with supervision, crane trucks, cherry pickers, appropriate tools, safety gear, etc.
  • 68 site staff have appropriate training (HV regs, safety, first aid, fall arrest, OEM training, etc.)
  • Full quality, safety and environmental management system

Site Services

  • Semi-turnkey Substation Construction & Refurbishment
  • Bulk Earthworks
  • Civil works
  • Substation Primary Equipment Installations
  • Cabling, Stringing, Earthing and Tubular busbars
  • Substation Secondary Installations
  • Testing & Commissioning
  • 11-132kV Overhead Lines
  • Design, Installation and Commissioning of Indoor Substations
  • Specialised Services
  • Tavrida breaker and dog box Retrofitting, Testing and Commissioning
  • Transformer & Tap changer, Maintenance, Rigging, Specialised Testing, Installation and Commissioning
  • Indoor and Outdoor Switchgear Installation, Maintenance, Testing and Commissioning
  • Breakdown Services
  • Civil Works
  • Lightning Shielding
  • Erection of Steel Structures
  • Erection & Installation of Equipment & Busbars
  • Busbars (Tubular and Conductor types)
  • Stringing of Equipment & Busbars (Droppers & Clamps)
  • Control & Protection Panels
  • Control & Protection Cabling
  • Equipment Labeling
  • Fencing