Power Transmission

The wealth of experience within the Power Transmission Division of Obelisk Energy enables us to offer exceptional services for works on high and medium voltage lines including, but not limited to, the following:

Construction

• Route selection, wayleave, access, ground profile survey and line design
• Material specification and procurement
• All elements of tower and wood pole construction:
  1. Design
  2. Foundations
  3. Structure/Pole Erection
  4. Conductor stringing, tensioning
• Underground ducting/cabling and protodors
• Boosters and transformer installation
• Soule switches and reclosers
• Air-break switches
• Project Management

Upgrade

• HV line upgrades
• MV lines diversions, upgrades, 10 to 20kV conversions
• Project Management

Maintenance

• Ground patrol and climbing inspection of transmission and distribution O/H networks
• Route maintenance including: tower painting, insulators replacement, strengthening
• Substations maintenance, including:
  1. Thermal imaging
  2. ‘Hot’ joint identification and replacement
  3. Circuit breakers
  4. Relay protection testing
  5. Metering

Fibre

• Fibre wrap design and installation