Solar Payback Period (Incl. CO2)
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Average Annual Electricity Consumption (kWh)
11000YearElectricity Rate ($/kWh)Yearly Savings ($)Cost of CO2 ($/metric ton)CO2 Equivalent (g/kWh)Metric Tons C02 SavedTotal Metric Tons CO2 SavedEquivalent Monetary Value ($)Total Yearly Savings ($)Total Savings ($)
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Average Monthly Electricity Consumption (kWh)
91710.154$1,660.12$117.16672.316.986.98$817.54$2,477.66$2,477.66
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Average Daily Electricity Consumption (kWh)
3020.162$1,729.18$117.16652.256.7613.74$792.20$2,521.39$4,999.04
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30.170$1,801.00$117.16632.796.5520.29$767.63$2,568.63$7,567.67
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Electricity Price ($/kWh)0.15440.178$1,875.67$117.16613.916.3526.64$743.78$2,619.46$10,187.12
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Electricity Rate Annual Growth Rate (%)5.0%50.187$1,953.31$117.16595.596.1532.79$720.65$2,673.97$12,861.09
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60.197$2,034.03$117.16577.825.9638.75$698.21$2,732.24$15,593.33
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Cost/W, Installed ($, pre-tax)3.1970.206$2,117.93$117.16560.595.7744.52$676.44$2,794.37$18,387.70
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Cost/W, Installed ($)3.6780.217$2,205.14$117.16543.865.5950.12$655.31$2,860.46$21,248.15
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Solar Installation Cost ($, pre-tax)$31,879.5290.228$2,295.78$117.16527.645.4255.54$634.82$2,930.60$24,178.75
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Tax Rate (%)15.0%100.239$2,389.96$117.16511.895.2560.78$614.94$3,004.90$27,183.65
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Total Solar Installation Cost ($)$36,661.45110.251$2,487.83$117.16496.625.0865.87$595.65$3,083.48$30,267.13
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Size of Array (kW)10120.263$2,589.50$117.16481.814.9270.79$576.94$3,166.44$33,433.58
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130.277$2,695.13$117.16467.434.7775.56$558.78$3,253.91$36,687.49
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PV Potential (Lunenburg, NS; kWh/kW)1078140.290$2,804.84$117.16453.494.6280.18$541.17$3,346.01$40,033.50
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150.305$2,918.79$117.16439.964.4784.65$524.08$3,442.87$43,476.37
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Annual Solar Array Output (kWh)10780160.320$3,037.12$117.16426.834.3388.99$507.51$3,544.62$47,021.00
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Decrease in Output per year (%)0.80%170.336$3,159.98$117.16414.104.1993.18$491.42$3,651.41$50,672.40
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180.353$3,287.54$117.16401.744.0697.24$475.82$3,763.36$54,435.76
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190.371$3,419.96$117.16389.763.93101.17$460.68$3,880.64$58,316.40
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200.389$3,557.39$117.16378.133.81104.98$446.00$4,003.39$62,319.79
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210.409$3,700.03$117.16366.853.69108.67$431.75$4,131.77$66,451.57
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220.429$3,848.03$117.16355.903.57112.23$417.92$4,265.95$70,717.52
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230.450$4,001.58$117.16345.283.45115.69$404.51$4,406.09$75,123.61
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240.473$4,160.86$117.16334.983.34119.03$391.50$4,552.37$79,675.98
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250.497$4,326.07$117.16324.993.23122.26$378.88$4,704.96$84,380.93
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CO2 Equivalent (g/kWh)
Percent Decrease
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2005915.08-1.37%
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2006927.647.80%
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2007855.252.84%
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2008830.960.20%
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2009829.322.63%
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2010807.525.29%
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2011764.79-2.14%
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2012781.194.32%
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2013747.457.29%
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2014692.98
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Average815.2182.98%
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2015 Prediction
672.3054274
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