What Size Solar System Do I Need For My House

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.

What size solar system do i need for my house.

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. To calculate the size of your solar photovoltaic system take your daily kwh energy requirement and divide by your peak sun hours to get the kw output you need. The typical homeowner will need 28 34 solar panels to cover 100 of their energy usage dependent on location and roof size. Calculate the size of your solar system.

The average australian household consumes 18kwh of electricity each day. 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. Roughly sizing up a solar system is easy. For example a 5kw system will output around 20 kwh a day and may save you up to around 500 every quarterly power bill.

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. If we use a house in adelaide as an example you would need a 5kw solar system to generate this amount of power. System size based on daylight electricity use. To get these numbers we used high and low panel production ratios to calculate how many solar panels are needed on average.

The numbers vary mostly because of the climate of each region. Then divide the kw output by your panel s efficiency to get the estimated number of solar panels you ll need for your system. How many solar panels do i need to power my house.