Solar Power Size calculator
Finding the right size solar power system for your home or business need not be a complicated procedure, there are some simple and reliable methods to performing this calculation.
What size solar system do you need?. The average 3 bedroom Australian home will get by with a 3kW system however there are so many variables in the solar equation that its not always so clear, for example how energy efficient is your home?, do you have LED lighting installed, do you use heavy power consuming devices like air-conditioners, cloths dryers or dish washers.
The good news is that this has all been worked out before so there are fully automated online solar calculators that can help you work out your solar system size.
There are other factors to consider when choosing a system size for example how much available roof space for the solar panels do you have, additionally is all of the roof surface area viable for solar panels and not shaded. The table below shows a rough guide to solar power system sizing, for a more precise calculation of your required system size use the solar calculator.
|System Size kW||Panels x Watts||Roof Area M²||Daily kWh|
|2.0 kW||8 x 250W||14 M²||8.4 kWh|
|3.0 kW||12 x 250W||20 M²||13 kWh|
|3.5 kW||14 x 250W||24 M²||15 kWh|
|4.0 kW||16 x 250W||27 M²||17 kWh|
|5.0 kW||20 x 250W||34 M²||21 kWh|