Table of Contents
State Incentives
- No-Interest Loans – Borrow $2,001 – $10,000 per household, repayable over 3 – 10 years, at 0% interest.
- State Battery Rebate – Up to $130 per kWh (max $1,300) for Synergy customers in the South West Interconnected System (SWIS).
- Regional Boost – Up to $380 per kWh (max $3,800) for Horizon Power customers in regional WA.
- Virtual Power Plant (VPP) Participation – Mandatory enrolment with Synergy’s Battery Rewards or Horizon’s VPP to access incentives.
- Additional Federal Support (brief) – Households may also claim the new federal Cheaper Home Batteries rebate, which can lift total savings to about $5,000 (Synergy) or $7,500 (Horizon) on a 10kWh system.
Eligibility Criteria
- Household gross annual income below $210,000 AUD.
- Minimum battery size 5kWh usable capacity, chosen from approved product lists.
- Property must be owner-occupied or a rental with landlord consent.
- Installation by a Clean Energy Council–accredited installer/vendor approved by Synergy or Horizon.
- Continuous internet connection and agreement to remain in the VPP program.
- Excludes government-owned properties and certain large commercial or resource company premises.
Application Process
- Check Eligibility – Confirm income, property type, and approved equipment.
- Select an Installer/Vendor – Choose from Synergy or Horizon approved providers.
- Get Pre-Approval & Loan – Apply through the scheme’s finance partner (Plenti) for the 0% loan.
- Install & Connect – Installer fits the battery and enrols it in the relevant VPP.
- Final Verification – Provide proof of installation and VPP connection to receive the state rebate and activate the loan.
FAQs
1. When does the scheme start?
From 1 July 2025, systems installed earlier are not eligible.
2. Can renters apply?
Yes, with the landlord’s written consent and a suitable electricity account in the applicant’s name.
3. Do I need rooftop solar?
Not mandatory, but pairing with solar maximizes savings and VPP benefits.
4. What happens if I leave the VPP?
You must stay enrolled to keep the rebate and loan terms. Leaving may trigger repayment or removal of benefits.
5. How are VPP rewards paid?
Synergy and Horizon credit your electricity account for power exported during “activation events,” with rates and limits set by each retailer.
Key Considerations
- State vs. Federal Rebates – The large headline savings often include federal support; the state portion alone is smaller.
- Performance & Internet Needs – A stable internet connection is required for monitoring and VPP control.
- Battery Sizing – Rebates apply only up to 10kWh; extra capacity receives no additional state rebate.
- Loan Repayments – Although interest-free, regular repayments are mandatory and subject to credit checks.
- Approved Equipment – Only products on the Clean Energy Council and Synergy/Horizon lists qualify.
Conclusion
Western Australia’s Residential Battery Scheme provides generous state-level support for households that install an approved battery and join a VPP. With no-interest finance and rebates of up to $1,300 (metro) or $3,800 (regional), the program makes home energy storage more affordable while strengthening the grid. Households should review eligibility, choose approved equipment, and apply promptly when the scheme opens on 1 July 2025 to secure their place.
