We all know that using solar energy is one of the best ways to reduce our carbon footprint and reverse the effect of global warming. But how many solar panels do you need to power your home? The answer depends on a few factors, such as the amount of energy you consume in a year, the geographical location, and the individual qualities of the panels. To calculate the number of solar panels you need, you first need to know how much energy you consume in a year. The U.
S. Energy Information Administration (EIA) reported that an average U. household consumes 10,715 kWh of energy per year. You can check your previous year's utility bills to find out what you used.
The geographical location and hours of sunshine are also important factors in determining how many solar panels you need. Different regions have different hours of sunshine depending on the seasons, so you'll need more panels to produce production similar to what you'll get in California than in Massachusetts. The size of your roof is also crucial to knowing how many panels can fit on it. For example, an average refrigerator in the U. consumes around 57 kWh of energy per month, while a freezer consumes approximately 58 kWh and, together, consumes 115 kWh.
To achieve this power requirement, you would need to install four 100W solar panels. However, if you use a stronger panel, for example, 300 W, with the same sunlight, it would produce 2.5 kWh per day - enough to power the same cooling system with just two panels. We estimate that a typical home needs between 20 and 24 solar panels to cover 100 percent of its electricity consumption. To know your exact needs, you should consult with your local installer and take into account the house's energy use, the energy produced by the system, the size of your roof, and the hours of sunshine in your region.