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Calculation of Monthly Energy Generation in Excel Sheet
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Sr. No. No. of Days in MonthNo. of PanelsRated Power of Arrat at STC (kWp)Panel CapacityAverage daily GHIFinal Power output of Solar Module (W)Actual DC energy Output from solar array (Whr)DC input at Inverter (Whr)AC output energy from inverter (Whr)AC energy delivered to grid (Whr)AC energy delivered to grid in (kWh/Day)Monthly AC Energy Yield (kWh/Month)Performance Ratio (PR)
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January 313210.403256.30249.3250262.0348754.1746804.0046335.9646.341436.4170.72
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February 283210.403256.89249.3254969.1153320.0451187.2350675.3650.681418.9170.72
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March 313210.403257.21249.3257522.1055796.4453564.5853028.9353.031643.9070.72
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April 303210.403256.94249.3255368.0153706.9751558.6951043.1151.041531.2970.72
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May 313210.403256.54249.3252176.7750611.4748587.0148101.1448.101491.1470.72
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June 303210.403254.90249.3239092.6937919.9136403.1136039.0836.041081.1770.72
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July 313210.403254.20249.3233508.0232502.7831202.6730890.6430.89957.6170.72
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August 313210.403254.07249.3232470.8731496.7430236.8729934.5029.93927.9770.72
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September
303210.403255.20249.3241486.1240241.5438631.8738245.5638.251147.3770.72
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October 313210.403256.23249.3249703.5648212.4646283.9645821.1245.821420.4570.72
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November 303210.403256.00249.3247868.6046432.5444575.2444129.4944.131323.8870.72
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December
313210.403255.89249.3246991.0145581.2843758.0343320.4543.321342.9370.72
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3655.8715723.0470.72
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Energy Yield Generation Per Year in kWh
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Average Performance ratio
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