23/02/2026
โก Project Update | Arncliffe Central โ Billbergia - HV/LV Delivery
Ultegra is proud to be delivering the complete ASP1 HV/LV and Private HV electrical packages at Arncliffe Central for Group.
This four-stage high-voltage program includes three Ausgrid network stages and a private HV substation, forming a critical part of the siteโs permanent power infrastructure.
The scope includes design, supply, installation, testing and energisation of HV/LV infrastructure, substations, underground cabling, protection systems, earthing, SCADA and full authority coordination in line with Ausgrid requirements. ๐
๐ 32 Eden Street, Arncliffe NSW
Works completed to date include:๏ฟฝโข Site investigations and early coordination๏ฟฝโข Basement earthing for chamber substations๏ฟฝโข Mandrilling of existing conduits to Ausgrid Transmission Substation๏ฟฝโข Cast-in conduits installed within chamber substations
Next up:๏ฟฝโข HV cable pull to Ausgrid TS๏ฟฝโข Chamber metalwork rough-in๏ฟฝโข Internal HV substation fit-out๏ฟฝโข Switchgear, transformers, LV boards, protection & SCADA installation
With energisation targeted by EOFY (subject to authority approvals), our team is now transitioning into HV cabling, fit-out and commissioning phases to keep the broader construction program on track.
Strong coordination with Billbergia and Ausgrid continues to be key to delivery.
Proud of the team driving this complex HV project forward. โก