I want to install a 4 kW photovoltaic solar system, how much will I save?

Calculating savings for solar photovoltaic:
An average residential solar system is about 4-5 kW.

I want to install a 4 kW photovoltaic solar system, how much will I save?

Solar system size kW: 4
1 kW System Production kWh/yr: 1,350

1,350 kWh x 4kW =  5,400 
 5,400 / 12 (no. of months in a yr) =  450
 450 * $0.14 (OUC rate) =  $ 63.00
 450 * $0.05 =  $ 22.50
 Total monthly savings  $ 85.50
 Total yearly savings  $ 1,026.00

 

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