What Size Solar System Do I Need For My House

So for example to cover the energy needs of a typical home in california you would need a 4kw solar power system to generate 6 522 kwhs of electricity.

What size solar system do i need for my house.

To get these numbers we used high and low panel production ratios to calculate how many solar panels are needed on average. The typical homeowner will need 28 34 solar panels to cover 100 of their energy usage dependent on location and roof size. Solar power can save you around 400 per kw per year and a solar system will output around 4 times its size as a daily average. The numbers vary mostly because of the climate of each region.

Calculate the size of your solar system. The average australian household consumes 18kwh of electricity each day. 3 x 1 3 3 9in this example you would need a 3 9 kw solar pv system to satisfy your home s energy needs. How many solar panels do i need to power my house.

For example a 5kw system will output around 20 kwh a day and may save you up to around 500 every quarterly power bill. However if the household only consumes 40 of its electricity during daylight hours there is no point in installing such a large system. To figure out how to size your solar system take your daily kwh energy requirement and divide it by your peak sun hours to get the kw output. We listed the solar system size that would be needed in each region to offset that particular region s average electricity usage.

System size based on daylight electricity use. Roughly sizing up a solar system is easy. If we use a house in adelaide as an example you would need a 5kw solar system to generate this amount of power.