Interactive Grid Parity Map for Solar Energy - Australia

November 2015

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What is grid parity? Click to learn.
Grid parity, also called socket parity, is a measurement that compares the cost of solar electricity with the cost of residential retail electricity. When grid parity is reached, it starts to become more economical for you to install solar panels on your roof rather than purchasing power from your utility company. Read more here.
Click to read about our methodology.
Analysis assumptions:
  • State or territory average values are determined using values for capitals or biggest cities.
  • Solar generation figures are based on an average-sized residential solar PV system of 5 kW.
  • Default installation cost is estimated to be $4/watt.
  • Utility rates are based on a study published by the Australian Energy Market Commission in December 2014. Source: 2014 Residential Electricity Price Trends report.
  • Solar savings per kWh >5 ¢ 4 ¢ 3 ¢ 2 ¢ 1 ¢ 0 ¢ -1 ¢ -2 ¢ -3 ¢ -4 ¢ <-5 ¢Solar deficit per kWh

    Cost of Residential Solar Power

    $4.00 per Watt

    Cost of an averaged sized (5kW) residential solar energy system

    $

    Click on your province or territory to get more details and see if solar power is right for you.