A home battery can increase solar self-consumption and may provide configured backup, but the result depends on the property’s load profile, battery size, power output, tariff, system cost and intended use.
Measure solar surplus and evening use
A battery cannot store more solar than is available after daytime loads. Compare average export with evening and overnight imports across different seasons.
Backup has a separate value
Some customers value nominated-circuit backup even when the simple financial payback is longer. Confirm exactly what will run during an outage.
Rebates change the project cost
Eligible federal and WA support may reduce upfront cost, but capacity, product, vendor and timing requirements apply. Check current rules rather than relying on an old advertisement.
Compare the same design
When comparing quotes, use the same usable capacity, backup scope, switchboard work and warranty assumptions.
Continue to Battery Installation Perth, read the Solar Rebate Perth guide, or request an assessment.