Suitable for larger construction sites with site sheds and sub mains etc.The initial cost to install an underground pole is $760 + GST. This is made up of install pole ($240), submit connection paperwork to Energex, pick up pole, 12 weeks rent ($420) and a $100 allowance to our Electrical Contractor to feed the cable up into the Energex green pillar and to check there is sufficient fuses available for the new connection.