Transmission giant Transgrid says enabling works have begun to prepare for the installation of 10 massive spinning machines know as synchronous condensers across five different sites in New South Wales.

Transgrid signed the contract with US energy giant GE Vernova for the early delivery of 10 synchronous condensers in late 2025, each of which will be used to help stabilise the NSW grid in its transition from coal to renewables.

This week, Cimic Group’s UGL was awarded the contract for its Wellington and Darlington Point substations, and CPP to deliver works at the Newcastle, Kemps Creek, and Armidale substations. The work includes concrete foundations for the large machines, cabling, drainage and other works.

“These are complex civil and building works that we anticipate will take 12 to 14 months at each site,” said Jason Krstanoski, Transgrid Executive general manager of network.

“This work is being carefully sequenced to ensure we will be ready for our supply partner GE Vernova to begin installing the synchronous condensers as soon as they start arriving in Australia, currently expected from mid-2027.”