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How much Watts Solar Panel We need for our Home Electrical ?

We can find it by very easy and simple example and explanation.

Suppose we want to power up 5 lights of 15 Watts and we need to use these 5 lights for 4 hours every day.

So first we get a total Watts usage.

PTotal 15 x 5 75Watts.

Than we multiply 75 Watts with 4 hours.

PDaily 75 x 4 300 Watts.

We are going to use 300 Watts daily. Let us say we are going to have complete sunshine 6 hours each day.

Now we divide 300W with 6 hours,

So we will get hourly power charge that we need

So here will be hour power charge that we need i.e watts of solar panel that we want for our electrical appliances.

PHourly 300 / 6 50W.

So we need a 50 watt solar panel.

Suppose we want to power up 5 lights of 15 Watts and we need to use these 5 lights for 4 hours every day.

So first we get a total Watts usage.

PTotal 15 x 5 75Watts.

Than we multiply 75 Watts with 4 hours.

PDaily 75 x 4 300 Watts.

We are going to use 300 Watts daily. Let us say we are going to have complete sunshine 6 hours each day.

Now we divide 300W with 6 hours,

So we will get hourly power charge that we need

So here will be hour power charge that we need i.e watts of solar panel that we want for our electrical appliances.

PHourly 300 / 6 50W.

So we need a 50 watt solar panel.