Hi,SUMMARY: we're a customer of AGL retailer and seeking your recommendation as we're upgrading to 3 phase power supply.Do we have an arbitration process for determining the cost of 3 phase power supply for Melbourne that can determine relevant cost/s of upgrading a single power supply to 3 phase?BACKGROUND:We searched the site for citipower/powercor and utilised an online 'cost calculator' apps to estimate the estimation of upgrading our single phase to 3 phase power - as we've just installed 1 ...