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solar rebates in wa

When you install a solar system, you generate Small Technology Certificates (STCs), which are sometimes referred to as a ‘Government Solar Rebate’. You’ll receive 1 STC for every Megawatt of energy your system is expected to produce until 2031.
For example, a 5kW system (approx 17 panels) will produce around 88MWh worth of electricity over the 11-year period until 2031, meaning you are entitled to 88 STCs.

Once your system has been installed and the STCs have been registered, they can be sold to recover a portion of the cost of purchasing your solar PV system. Given the complexity surrounding creating and selling STCs, it’s common practice to assign the right to create the STCs to your solar provider, in exchange for an upfront discount off the full, or ‘true’, system price.

STCs currently trade for around $37 each, which means you’d receive around $3,250 discount off the full, or ‘true’, cost of a 5kW system.

Reduction in units needed to be purchased from the gridThe number of units produced by your solar system that are consumed on your property (and hence this reduces that number of units to be purchased from your retailer)28c (Synergy A1 Tariff) Up to 53.9c (Synergy Smart Home Plan Tariff)
Payment for units exported to the gridFrom 6 November 2020, a time of export buyback scheme will apply for power exported back to the grid. DEBS (Distributed Energy Buyback Scheme) Rate will apply for eligible Synergy customers. The new rates are:

  • Electricity exported at peak times between 3pm and 9pm will earn 10 c/kWh;
  • Electricity exported at all other times will earn 3c/kWh.

The DEBS Rate will be reviewed each year by the State Government, just like other regulated electricity prices.