How many solar panels will I need for my home?
How may panels will I need?
Small household | Average household | Large household | |
Number of people | 1-2 people | 2-3 people | 4+ people |
Items that could be powered by solar | TV, DVD player, sound system and computer, microwave, kettle, fridge and dishwasher, air conditioning, washing machine and iron | TV, DVD player, sound system and computer, microwave, kettle, fridge and dishwasher, air conditioning, washing machine and iron + Dryer |
TV, DVD player, sound system and computer, microwave, kettle, fridge and dishwasher, air conditioning, washing machine and iron + Dryer and pool |
Approximate power generated | 2,299 to 3,212 kWh pa | 2,628 to 6,424 kWh pa | 5,256 to 8,030 kWh pa |
Roof area required | Approx. 16-18m | Approx. 18-40m | Approx. 40-50m |
Recommended system | 1.75-2kW | 2-4kW | 4-5kW |
Other factors to think about...
The location of your roof in relation to sunshine, shading, dirt on solar panels and temperature all play a part in maximising your solar power production.