Compare the system’s usable battery capacity, solar panel output, inverter compatibility, warranty terms and estimated annual savings—not just the headline package price. In 2026, eligible battery installations may receive support under the Australian Government’s Cheaper Home Batteries Program, while state rebates and eligibility rules can vary. Any incentive depends on your circumstances, the equipment and installer requirements, and approval through the relevant scheme. Ask a Clean Energy Council-accredited installer for an itemised quote, and confirm current assistance through energy.gov.au or your state government before signing.