Battery storage packages integrated with heat pumps & solar

 We will beat legitimate quotes with better prices or quality systems!

However, the rebate program will significantly reduce the subsidy for large systems from 1 May 2026. 

Reduced Value: The rebate amount (based on Small-scale Technology Certificates - STCs) will decrease every six months starting in 2026.

Battery storage and inverter packages available:

• Fox ESS 42 kW
• Neovolt 50 kW 
• Growatta 40 kW 
• SAJ 40 kW 
• GoodWe 51 kW
• Solplanet 50 kW 

With 30 years of experience helping Australian households, we can reduce your power bills with our quality battery systems.   

Our battery and inverter packages give you access to a stackable, modular battery unit, providing flexibility in the amount of storage you install. We deliver tailored home battery solutions designed specifically for Australian households. With rising energy prices and more families going all-electric, battery storage is the smart way to reduce bills, protect your home during outages, and maximise your solar investment.

New Tiered Rebates System        (from May 1, 2026):

• 0–14 kWh: 100% of the STC rate.
• Over 14–28 kWh: 60% of the STC rate.
• Over 28–50 kWh: Only 15% of the STC rate

Clean Energy -  local support & trusted Australian Suppliers

 Sustainable Energy Systems, we have years of experience in the consulting industry. Our expertise can help you find the best-value battery upgrades to save more.

But what truly sets us apart is our commitment to local customer service, local assessors, and heavily vetted Australian suppliers. When you choose Sustainable ES, you’re choosing a trusted, local team.

At Sustainable Energy Systems, we take a holistic approach to consulting. We work closely with our clients to understand their goals and challenges, and develop solutions that address their specific needs. 

Our approach is collaborative, transparent, and results-driven. Every quote, every installation and every support call is handled by real people right here in Australia. With federal STC incentives available for eligible hybrid systems, homeowners can receive upfront discounts that make installing a battery more affordable than ever.

When paired with an eligible solar system, your home battery may qualify for federal STCs (Small-scale Technology Certificates). These incentives are applied directly to your quote as an upfront discount, making the transition to clean energy easier.