On 2 March 2011 , EnergyAustralia changed its name to Ausgrid .
In 1996 , Sydney Electricity was merged with Orion Energy to form EnergyAustralia , a government - controlled enterprise .
On 2 March 2011 , EnergyAustralia changed EnergyAustralia 's name to Ausgrid .
In 1996 , Sydney Electricity was merged with Orion Energy to form EnergyAustralia , a government - controlled enterprise .