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Solar Income & ROI calculator

With this calculator you can estimate the income cost of a new system, and also compare it to an existing, older solar system to see if it's worthwhile to upgrade.

Step 1 - Your Area

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This is not a valid postcode! Please enter your postcode! No postcode found, please try again

Step 2 - Your Current Bills

Base estimate from my

Average Bill

OR

Base estimate from my

Daily Average
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This is not a valid integer! Please enter your last bill! Average bill value must be higher than ${[{ formData.surcharge}]}.
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This is not a valid integer! Please enter your dailyUsage!
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This is not a valid integer! Please enter your Electricity Consumption!
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${[{ formData.purchaseRate }]} per kWh
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${[{ formData.buybackRate }]} per kWh

Step 3 - Lifestyle

Your solar system will generate electricity all day. Your electricity consumption will sometimes be more than your system generates and sometime less. When it is less you will export electricity and potentially get a feed in tariff paid. Please estimate how much of your solar system generation will be consumed within your house vs solar electricity being exported.

{[{ formData.lifeStyleData }]}
Mostly used during day
Mainly use solar electricity Mostly out during day
Mostly export and sell solar electricity

Step 4 - Return on Investment

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kW
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{[{ formData.inflationRate }]}% annually

Step 5 - Comparison

System 1

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This is not a valid integer! Please enter cost of solar system!
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{[{ formData.firstYearDegradation }]}%
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{[{ formData.ongoingDegradation }]}%
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{[{ formData.systemLifeSpan }]}years

VS

System 2

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This is not a valid integer! Please enter cost of solar system!
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{[{ formData.firstYearDegradation2 }]}%
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{[{ formData.ongoingDegradation2 }]}%
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{[{ formData.systemLifeSpan2 }]}years
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{[{ formData.energyEfficiency }]}%

Result

Better Financial Option

System {[{ betterFinancialOption.system }]}

BY ${[{ betterFinancialOption.diff }]}

System 1 Breakdown

Estimated net benefit at end of system life

${[{ formData.totalEarnt }]}

Years Kw/h Generated Yearly Income Total Cumulative Income
{[{ value.year }]} {[{ value.kwhGenerated}]} ${[{ value.income }]} ${[{ value.totalIncome }]}
Total {[{ systemTotal[0].gen }]} ${[{systemTotal[0].income }]}  

System 2 Breakdown

Estimated net benefit at end of system life

${[{ formData.totalEarnt2 }]}

Years Kw/h Generated Yearly Income Total Cumulative Income
{[{ value.year }]} {[{ value.kwhGenerated }]} ${[{ value.income }]} ${[{ value.totalIncome }]}
Total {[{ systemTotal[1].gen }]} ${[{ systemTotal[1].income }]}  

Disclaimer: Please note this calculator and others on this site are a guide only and very much depend on the correct information being entered. Please verify the information obtained through these calculators independently. In compiling these calculators LG Electronics Australia (LG) has utilised available data from the Clean Energy Council and the Australian Bureau of Meteorology. LG has used its best endeavours to ensure that the supplied calculations and information are correct, but LG takes no responsibility for any error or defect therein. LG shall not be liable for any loss or damage arising from the use or reliance of any data supplied by these calculators.

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