How Much Solar Panels To Power A House

11 000 divided by 275 watt solar panel 40.

How much solar panels to power a house.

The average single solar panel will provide about 250 watts hour during peak sun exposure or about 0 25kwh hour. For comparison the fridge mentioned above would require about 0 26kwh per hour. To really understand how many solar panels your solar energy system needs you need to determine. One solar thermal panel generates enough energy to power a hot water heater for a family of four.

Southern facing roofs receive more sunlight in the northern hemisphere the average amount. Keep in mind that the amount of power your solar system can produce depends on how much sunlight your roof receives and your location. A 10kw solar system which consists of 40 panels can produce an average of 14 000 kwh per year. The typical homeowner will need 28 34 solar panels to cover 100 of their energy usage dependent on location and roof size.

The amount of energy your home uses. To get these numbers we used high and low panel production ratios to calculate how many solar panels are needed on average. The average family uses 11 000 kwh per year and needs 26 to 33 solar panels to power the whole house. So 40 solar panels will be required to 100 percent power their house.

Look at monthly kwh used on your electric bill the direction of your roof. You will need a roof space of about 680 sq ft for a 10kw system.