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13 December 2025 - Federal Cheaper Home Batteries Program Changes

With effect from 1 May 2026, the scheme will change to reduce incentives for very large batteries. A new tiered structure will apply as follows:

• 0–14 kWh of usable capacity: full STC factor (100%). This equates to ~$250 discount per kWh.
  
  

• Over 14–28 kWh: 60% of the STC factor applied. This equates to ~$150 discount per kWh.
  
  

• Over 28–50 kWh: 15% of the STC factor applied. This equates to ~$38 discount per kWh.

For a typical battery installation of 16 kWh, the total rebate would amount to ~$3800.

After May 2026, the rebate amount will continue to decline in six-monthly steps, each January and July, until the scheme concludes at the end of 2030.

1 July 2025 - Western Power Increases Residential Inverter Limits

Western Power has published its new 'Basic Embedded Generator (EG) Connection Technical Requirements'.  While primarily aimed at solar installers, the document introduces key changes that allow for larger solar systems in residential applications. Households are now better equipped to power large electrical devices such as electric vehicle chargers, induction cooktops, and split-system air conditioning. Greater 'behind-the-meter' solar production means lower bills—and potentially zero grid usage—when combined with a household battery.

6 April 2025 - Federal Labor Announces Cheaper Home Batteries Subsidy

Minister Chris Bowen has announced a Federal Government battery subsidy to be implemented from 1 July 2025 (subject to Federal Labor being re-elected). The Cheaper Home Batteries subsidy will amount to $370 per kWh of installed, useable battery storage. For a typical residential battery size, this will equate to an approximate 30 per cent up-front discount.

The maximum supported battery size under the subsidy is 50 kWh useable (though larger batteries can be installed), representing a potential discount of $18,500. Most typical installations, ranging between 12 and 16 kWh, will receive a discount of $4,440 to $5,920.

Further details available here:

https://www.abc.net.au/news/2025-04-06/the-battery-subsidy-and-all-you-need-to-know-for-your-household/105138430