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How Many Solar Panels to Power a House Calculator

Calculate Solar Panels Needed











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Formula

The formula to calculate the total solar panel area is:

Total Solar Panel Area (m²)=Average Daily Usage (kWh)×1000Average Sunlight Hours (h)×Solar Panel Efficiency×Solar Panel Power (W)

The formula to calculate the number of solar panels needed is:

Number of Solar Panels=Total Solar Panel Area (m²)Solar Panel Area (m²)

Definition

This calculator helps determine the total area and number of solar panels needed to power a house based on average daily electricity usage, average sunlight hours, solar panel efficiency, solar panel power, and solar panel area.

Example Calculation

Let's assume the following values:

Using the formula:

Total Solar Panel Area=30×10005×0.18×300111.11 m²

Number of Solar Panels=111.111.670

The total solar panel area needed is approximately 111.11 m², and the number of solar panels needed is approximately 70.