Western Australia · Updated July 2026
Western Australia solar battery calculator & rebates
Every Australian state and territory can access the federal Cheaper Home Batteries Program in 2026 (about $252/kWh on the first 14 kWh of usable capacity, tapering above that). Figures verified as of July 2026.
Western Australia is one of the few states where a state battery rebate still stacks with the federal program.
Most Perth and south-west homes on Synergy receive $1,300 from the WA Residential Battery Scheme; Horizon Power customers in regional WA may receive up to $3,800.
- Federal + WA state rebate stack (among the best net costs nationally)
- Synergy customers: $1,300 state rebate (modelled default)
- Horizon Power customers: up to $3,800
- VPP participation mandatory under WA scheme rules
- Interest-free loan up to $10,000 may be available (financing)
Official source: Western Australia rebate information
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Western Australia battery rebate FAQs
How much is the WA battery rebate in 2026?
The Residential Battery Scheme provides $1,300 for most Synergy customers and up to $3,800 for eligible Horizon Power customers, on top of the federal discount. Select your network in the calculator.
Can WA homeowners stack state and federal rebates?
Yes - WA is an exception where the state scheme still stacks with the federal Cheaper Home Batteries Program.
Is VPP participation required in WA?
Yes under current scheme rules. Confirm VPP terms with your installer before signing.
Where can I verify Western Australia rebate rules?
Official source: https://www.wa.gov.au/government/wa-residential-battery-scheme-information-applicants. Federal program: https://cleanenergyregulator.gov.au/node/3634.
Calculate for other states
Rebates and loan schemes differ by state and territory.