Expert crews in helicopters and specialist inspection technologies are being deployed across the Riverina Murray, South West Slopes, Sunraysia and Central West as part of statewide work to safeguard the high-voltage transmission network ahead of next summer.
Transgrid’s annual bushfire prevention program involves inspectings transmission lines and easements in and around Cowra, Finley, Deniliquin, Balranald, Harden, Tumut, Talbingo, Wagga Wagga, Narrandera, Griffith and Albury from May 14-26.
Running across NSW from February through to September, the comprehensive program identifies any vegetation encroachments and assesses the condition of towers and lines so essential maintenance works can be undertaken to keep the transmission network safe during the 2026-27 bushfire season.
Executive General Manager of Network Jason Krstanoski said early, proactive inspections play a critical role in protecting the network, landowners and local communities across the Riverina Murray, South West Slopes, Sunraysia and Central West while maintaining power system reliability.
“Bushfire risk is something we plan for well before summer arrives, and the Riverina Murray, South West Slopes, Sunraysia and Central West are key areas of focus given the scale of the transmission network running through these regions,” Mr Krstanoski said.
“Our aerial patrol program helps us identify potential issues early, prioritise maintenance and reduce risk across the network – helping keep our people, landowners, communities and electricity system safe.”
The 2026 aerial patrol program will use a combination of specialist inspection methods to provide a comprehensive view of the high-voltage transmission network, including:
• Aerial inspections, with experienced Transgrid lines crews on board helicopters to visually assess towers and conductors
• High-resolution aerial imagery, capturing detailed images of transmission assets for engineering review
• Aerial thermographic inspections, using thermal technology to help detect abnormal heat signatures that may indicate emerging faults; and
• A 3D laser survey of easements by fixed-wing aircraft using LiDAR technology to identify
vegetation growing too close to transmission lines.
Together, these activities support early identification of maintenance needs and allow Transgrid to plan targeted works well ahead of the 2026-27 bushfire season.
“Preventative maintenance is one of the most effective ways to reduce bushfire risk,” Mr Krstanoski said.
“These inspections help ensure we’re doing the right work, in the right locations, at the right time – well before extreme conditions occur.”
During the program, communities across the Riverina Murray, South West Slopes, Sunraysia and Central West may notice helicopters flying near transmission corridors at varying heights depending on the type of inspection being undertaken.
Transgrid works closely with landowners, councils and local stakeholders to provide advance notice of planned flights through direct landowner letters, radio updates and via our social media channels, helping minimise disruption wherever possible.
An interactive map on Transgrid’s website.
Community members seeking further information can contact Transgrid on 1800 222 537 or community@transgrid.com.au
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