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Welcome to Shamsey solar calculator, we have made it easy for you to to calculate the size of solar PV system you need.The solar calculator will tell you also your system cost and what is the revenuse generated from your system over lifetime.

First select the appliances you want to run on solar, then enter the power of each one and the running time for each appliance, and the calculator will works by itself. In our calculator we assumed using 250 Watts solar panels, and 150 Ah batteries.