Investigations by EnergyAustralia found a second cable was damaged when a contractor using a boring machine struck the electricity network yesterday, interrupting power to the CBD’s north for about 30 minutes.

EnergyAustralia today apologised for this morning’s CBD power interruption which was caused when a private contractor struck a major 132,000 Volt cable which supplies the north of the CBD.

As many as 20 EnergyAustralia apprentices are presently involved in an electrical “backyard blitz” for residents and businesses in the Upper Hunter townships of Scone and Aberdeen.

EnergyAustralia expects a new substation on the northern end of Tomaree peninsula to be in service by the end of next year, boosting power supply to nearly 20,000 customers.

EnergyAustralia crews have completed repairs to a major piece of electrical equipment inside its zone substation that supplies the northern parts of the Sydney CBD.

EnergyAustralia has monitored electricity load in the City’s north this morning and is now confident that the demand for electricity can be met with ample supply available.

EnergyAustralia crews have been working throughout the night to make urgent emergency repairs to bolster power supplies in the north of the Sydney CBD following yesterday’s power supply interruption.

EnergyAustralia operates the largest electricity network in the country to more than three million people in Sydney, the Central Coast and Hunter region.

EnergyAustralia apologises for the second disruption to the power supply this week which affected about 50,000 homes and businesses in parts of Sydney this morning.

EnergyAustralia crews have begun repairing the damaged power cable which caused an interruption to the power supply in parts of Sydney on Monday evening.