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Our Solar Calculators

Solar Savings & Payback Calculator

See how long it will take for a solar system to pay for itself. The calculator also allows you to compare a high quality photovoltaic (PV) system with a lower priced solar system and see the difference in payback time.

Bill Info

Average Bill

OR

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 postcode! Please enter your postcode! No postcode found, please try again
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This is not a valid integer! Please enter your Electricity Supply Charge!
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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 postcode!
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This is not a valid integer! Please enter your surcharge!

Click here to see where the Average Daily Usage is located on your bill.
Results based on Clean Energy Council recommended output for regions.

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${[{ formData.purchaseRate }]} per kWh
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${[{ formData.buybackRate }]} per kWh

Lifestyle

Your solar system will generate electricity all day. Your home 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 at Home during day
Mainly use solar electricity Mostly out during day
Mostly export and sell solar electricity
Calculate

Solar use vs. Solar export

Calculations:

Average solar 1kW output for postcode {[{ formData.postcode }]} : {[{ yearlyOutput }]} kWh
Estimated daily consumption : {[{dailyConsumption}]} kWh
Estimated yearly consumption : {[{yearlyConsumption}]} kWh
Estimated electricity price per kWh : ${[{formData.purchaseRate}]}
Estimated yearly bill : ${[{yearlyCost}]}
(without supply charge)

Details

Based on Electricity Output

OR

Based on Electricity $ Value
System Size (kW) Electricity cost (Yearly) Electricity Consumed (kWh) Electricity Produced (kWh) Solar Used (kWh) Solar Used ($) Solar Exported (kWh) Solar Exported ($) Potential Solar Saving Left to Pay % of old bill
{[{data.systemSize}]} $ {[{data.yearlyCost}]} {[{data.yearlyKWH}]} kWh {[{data.yearlySolarProduced}]} kWh {[{data.solarUsedKWH}]} kWh $ {[{data.solarUsedPrice}]} {[{data.solarExportedKWH}]} kWh $ {[{data.solarExportedPrice}]} $ {[{data.solarSaving}]} $ {[{data.leftToPay}]} {[{data.offset}]}%

Return on investment calculator

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

System 1

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This is not a valid integer! Please enter cost of solar system!
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This is not a valid integer! Please enter your potential solar saving!
It will take approximately :

{[{ roiResult }]}

VS

System 2

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This is not a valid integer! Please enter cost of solar system!
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This is not a valid integer! Please enter your potential solar saving!
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{[{ formData.energyEfficiency }]} %
It will take approximately :

{[{ roiResult2 }]}

{[{differencePeriod}]}

Disclaimer: This calculator allows you to enter certain data such as your quarterly electricity bill and the average cost of electricity in your area. The calculator then also asks you to make assumptions about solar used versus solar exported during the day. This calculator is not to be seen as a precise tool. It is only providing an indication and demonstration of how solar electricity used versus solar exported works. The solar used versus solar exported varies depending on your own personal electricity consumption patterns. LG encourages you to discuss your energy consumption pattern with your chosen solar installation company to create the best solution for you having regard to your individual circumstances.

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