Network maintenance programs

Powerlink manages network maintenance programs that ensure ongoing reliability and security of electricity supply.

Powerlink provides complete maintenance solutions with highly experienced specialist staff providing safe, cost-efficient services. Services include telecommunications, substation capabilities, emergency service, live line and live substation work.

Powerlink ensures the highest standards of maintenance and operational management, including:

  • works planning and scheduling
  • auditing of practices and procedures and compliance checking
  • asset inspections
  • SME advice on asset risk
  • field testing
  • protection and systems analysis
  • major plant failure and fault root cause investigations
  • asset performance trending, analysis and reporting
  • asset condition monitoring, analysis and assessment
  • analysis of oil and gas samples.

Transmission lines capabilities

  • Overhead line installation and maintenance up to 330kV
  • Stringing conductor and optical fibre cable (OPGW) including Cradle Block Methodology
  • OPGW cable installation and maintenance
  • Easement services including inspection and maintenance
  • Line survey and design verification
  • Live line capability and engineering support
  • Pole and steel lattice tower inspection and maintenance
  • Emergency restoration

Substation capabilities

Powerlink delivers a range of services for brownfield sites. Substation capabilities include:

  • Substation maintenance, testing, commissioning and technical support
  • HV network switching operations
  • Asset inspection and maintenance
  • Primary and Secondary equipment testing and commissioning
  • Live substation services and engineering support
  • Switch gear installation, upgrade or replacement
  • Civil works management
  • CT and VT testing
  • Protection, control and metering systems installation, testing, commissioning and maintenance to IEC61850 and other industry standards
  • SCADA maintenance

Live line and live substation work

Powerlink’s technicians have extensive experience in live line and live substation techniques. Powerlink has a reputation for excellence and safety in all aspects of its live work, and is recognised as a Live Substation techniques leader. Powerlink is accredited in the use of both hot stick and bare hand work.


Emergency service

Powerlink provides a 24/7 maintenance and breakdown response service to ensure network reliability through rapid response of resources and materials.