Energy System
Solar Size6.5 kW
Effective: 6.5 kW
Battery Size10 kWh
Effective: 10 kWh
Avg Daily Usage25 kWh
Usage Profile
WORK 9-5
HOME ALL DAY
Away during day: 25% solar self-consumption
Subsidies
Cheaper Home Batteries (Fed)
~30% discount (~$350/kWh)
State Battery Program
$150/kWh capped at $2,000
Federal Solar STCs Included
State Solar Program
Not currently available
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Self-Sufficient
System Summary
Solar 10-Yr Return
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Battery 10-Yr Return
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Net System Cost
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Total Annual Savings
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Solar Subsidies Total
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Battery Subsidies Total
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ROI Projection (25 Years)
SYSTEM
BATTERY ONLY
ROI Analysis
Payback Period--
Initial Investment--
Lifetime Savings--
Battery Life--
Sodium-Ion Notice
Sodium-ion batteries are not currently on the CER approved list for federal subsidies (SRES/Cheaper Home Batteries).Authority: cleanenergyregulator.gov.au
Disclaimer
Estimates only. Actual ROI depends on installation costs, local conditions, usage patterns, and policy changes. Subsidy data as of Feb 2026. Always obtain professional quotes. This is not financial advice.