Tesla Powerpack installed at Sydney depot, as part of Transgrid network trial June 28, 2018 by Sophie Vorrath 1 Comment 67 Bourke Road, Alexandria Sydney - 27th June 2018. The City and Transgrid are unveiling the first Tesla Powerpack to be installed and operational in Sydney, storing energy from the 1,600 solar panels on depot roofs. Lord Mayor Clover Moore and Transgrid CEO Paul Italiano at the Alexandra Canal Depot. City of Sydney adds 500kWh Tesla battery to new solar council depot, both to make the depot self sufficient and as part of Transgrid demand management trial.