If you have a power pole at your place, check to see if it has a possum excluder and that it is in the right place. It is a circular plate/disk attached to the wire stay. The one on our pole had slid down out of place.
An unsuspecting ringtail possum jumped from the bushes and was able to climb up the stay wire. It met a sudden death when it reached the main wires and caused a short circuit. The electricity company re attached it when they came out on Boxing Day ( a big thank you for such prompt service) but that only stayed in place a few days. We have now gone with plan B and will see how long that works.