The flights will use "specialist high-definition equipment" attached to a helicopter, an upgrade on previous flights according to an Essential Energy spokesperson.

"Higher quality capture using an autonomous image capture sensor means more images can be taken along a more direct and higher flathpath than in previous years," the spokesperson said.

READ MORE: 'A taste of spring': Cold and windy weather to return to the South Coast

"Previously the helicopter had to fly low and frequently over some powerlines to get the same quality."

Essential Energy's operations manager for the south east, Darren Basterfield, said the new technology would lessen the impact on people and livestock in the flight path.

"These flights are a crucial part of our broader program to understand the condition of the network so we can identify and repair damaged or deteriorating network assets according to the risk they present," he said.

READ MORE: Eurobodalla Shire mayor Liz Innes sparks a conversation on ways to help businesses during lockdown

"Our overall Bushfire Risk Management Plan involves this helicopter-led data capture, other aerial inspections, drone and ground-based asset inspections combined with our network analysis, to understand and manage risk to ensure the safety and reliability of the network."

Weather permitting, the aerial patrols are expected to take place in September.