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This information is general in nature and does not constitute financial, tax, or legal advice. Rebate amounts, eligibility, and tariff rates change frequently and may not be current.

Consult a licensed financial advisor, tax professional, and electricity retailer to understand your specific situation. We are not responsible for financial decisions made based on this information.

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ROI Visualization Dashboard

Interactive visualization of battery investment returns over 10 or 20 years

Your Battery Details

Enter your battery specifications to see ROI projections

Battery Capacity (kWh)

Battery Price After Rebates ($)

Daily Usage (kWh)

Solar System (kW)

ROI Dashboard

Visualize your battery investment returns over time

Scenario

Timeframe

Payback Period

9.6 years

Annual Savings

$1,252.338

10Y Net Return

$-546

Total ROI

95%

Year-by-Year Breakdown

Year 1

+$1,252Total: $1,252

Year 2

+$1,227Total: $2,480

Year 3

+$1,203Total: $3,682

Year 4

+$1,179Total: $4,861

Year 5

+$1,155Total: $6,016

Year 6

+$1,132Total: $7,148

Year 7

+$1,109Total: $8,258

Year 8

+$1,087Total: $9,345

Year 9

+$1,065Total: $10,410

Year 10

+$1,044Total: $11,454

Notes:

• Calculations include 2% annual degradation
• Grid avoidance savings based on A1 tariff (32.37c/kWh)
• VPP credits estimated at ~$98/year based on Synergy Battery Rewards (70¢/kWh × ~20 events)
•
• Does not include potential electricity price increases

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Understanding Your ROI

Payback Period: How long before your cumulative savings equal your initial investment. Most Perth batteries achieve payback in 7-12 years depending on usage patterns and electricity prices.

Net Return: Total savings minus your initial investment. Green bars indicate years where you're in profit. The visualization accounts for 2% annual battery degradation.

Scenarios: Compare VPP participation vs non-VPP, and see how optimizing export timing during DEBS peak hours (3-9pm) can improve returns by hundreds of dollars annually.

Important: These projections assume current electricity prices remain constant. Historical trends show WA electricity prices increasing 3-5% annually, which would improve actual returns.