AusNet takes suburban Melbourne street off-grid for almost 24 hours March 16, 2018 by Sophie Vorrath 3 Comments Mini-grid trial by Victorian network operator AusNet Services has, for the third time, taken part of a Melbourne street completely off grid – this time for 21 hours. Mini-grid trial by Victorian network operator AusNet Services has, for the third time, taken part of a Melbourne street completely off grid – this time for 21 hours.