Powerwall cost savings
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AreaAck, New Zealand
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System4.8KWSolax Grid-tieand1.4KW3x Green MPT-7210A Chargers6.2KWSolar Total
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Grid Power Cost$0.29Cents kWh
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Export Price$0Cents kWh
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Monthly Daily Charge$12
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MonthYearUsed kWhSolar kWhGrid kWh
Exported kWh
Bill Without SolarBill SolarSavingsNotes:
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WinterJuly20155800580$180.20Just Moved in
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WinterAug20156000600$186.00Just Moved in
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WinterSep20155800580$180.20
No Solar but flatmates
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SpringOct20154880488$153.52
No Solar but flatmates
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SpringNov20155000500$157.00
No Solar but flatmates
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SummerDec20155250525$164.25
No Solar but flatmates
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SummerJan20164750475$149.75
No Solar but flatmates
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SummerFeb2016?0?
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MonthYearUsed kWhSolar kWhGrid kWh
Exported kWh
Bill Without SolarBill SolarSavings
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AutumnMarch2016366.6630253288$118.31$62.33$55.98
Just got 4.8kw of solar installed
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AutumnApril2016360.4498.2219.6357.5$116.52$47.08$69.43
4.8kw Solar installed
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AutumnMay2016563.8378348162.2$175.50$99.94$75.56
4.8kw Solar installed
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WinterJune2016658.5328.7429.7100$202.97$128.61$74.35
4.8kw Solar installed
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WinterJuly2016771.7429.3453.2110.9$235.79$134.56$101.24
4.8kw Solar installed
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WinterAug2016761480.7420.9140.2$232.69$122.85$109.85
4.8kw Solar installed
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WinterSep2016587.7464.8304181.1$182.43$85.67$96.76
4.8kw Solar installed
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Bill est Without Solar
Bill Batt + Solar
Savings
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SpringOct2016620.6710.9177.8268.1$191.97$42.11$149.86
Started to use Powerwall build
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SpringNov2016478758.8111.9392.6$150.62$13.04$137.58
5kWh Powerwall NOT running 14 nights
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SummerDec2016411.7820.780448$131.39-$0.64$132.03
In Credit :) +Prompt payment discount added $3.89=$4.34Cr
5kWh Powerwall NOT running 2 nights
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SummerJan2017472.4826.688.3442.6$149.00$2.20$146.80Still in Credit
10kWh Powerwall NOT running 6 nights - 1.4kw charging powerwall
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SummerFeb2017350.1626.859.8336.5$113.53$2.42$111.11
10kWh Powerwall NOT running 4 nights - 1.4kw charging powerwall
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AutumnMarch2017337.859980.8302$109.96$11.27$98.69
10kWh Powerwall NOT running 3 nights - 1.4kw charging powerwall
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AutumnApril2017447.5489.6129.2171.3$141.78$35.76$106.01
10kWh Powerwall NOT running 7 nights - 1.4kw charging powerwall
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AutumnMay2017553.5456.7180.183.4$172.52$57.56$114.96
10kWh Powerwall NOT running 10 nights - 1.4kw charging powerwall
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WinterJune2017
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$1,160.76$163.73$997.03
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Power CostPower CostTotal Savings
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Bill est Without Solar
Bill Batt + Solar
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Over 8 Months
Over 8 Months
Over 8 Months
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