Complex sentence: Following the divestment of its retail assets, the name of the government--owned enterprise was changed to Ausgrid, and in 2012 TRUenergy changed its name to EnergyAustralia.
Split into simpler sentences: Following the divestment of its retail assets, the name of the government--owned enterprise was changed to Ausgrid. Subsequently, in 2012, TRUenergy changed its name to EnergyAustralia.