Powering Your House With Solar Panels

How many solar panels do i need to power my house.

Powering your house with solar panels.

Follow along to calculate the amount of solar panels your specific home will need. If your home is already connected to the utility grid replacing completely the utility with a pv system might not be cost effective. Most standard solar panel warranties ensure that your solar panels will last at least 25 years. The calculator takes into account your local climate and uses your estimate of your roof s angle and orientation to make an accurate projection of your solar power generation and the number of solar panels that you ll need.

The amount of power kwh your solar energy system can produce depends on the number of solar panels that can absorb solar energy and convert it into electricity. However this is just a minimum lifetime. To get these numbers we used high and low panel production ratios to calculate how many solar panels are needed on average. How many solar panels needed for a typical house.

What are the costs. Whether a solar electric system can entirely replace the utility grid and meet your daily energy needs depends on your daily consumption. According to gauteng based solar power specialist company nexsolar the cost of solar power installation can range from around r63 000 to r200 000 depending on the size of the house and electrical output requirements. As solar panels age their power output decreases.

There are a number of reputable solar power system installers in south africa. However the amount of power generated by a solar energy system at a particular site depends on how much of the sun s energy reaches it and the size of the system itself. Assuming you are going to choose standard efficiency solar panels here are the most common sizes for residential solar systems and their kwh production potential to give you an idea. The typical homeowner will need 28 34 solar panels to cover 100 of their energy usage dependent on location and roof size.

Several mapping services and tools are available to help you determine your home s solar energy potential. Some of the services also offer information on the estimated. A typical american home will need 14 36 solar panels to cover their power bill and at least 227 square feet of rooftop space to accommodate the solar panels. It s normal for a warranty to guarantee that they will produce over 80 power output at the end of 25 years.

If your solar panels make more power than your house uses you can sell your extra power back to the grid.