How many solar panels will fit on your roof?

How many solar panels will fit on your roof?

Quick answer: A typical 440 watt panel takes about 2 square metres, so a 6.6 kW system needs roughly 15 panels and 30 square metres of clear roof. Draw your roof on the free calculator below to get your exact number. Before any installer visits, you can answer the...
How steep is your roof, and does it matter for solar?

How steep is your roof, and does it matter for solar?

Quick answer: Most Australian roofs are pitched between 15 and 25 degrees, a little flatter than the ideal of roughly your latitude. The difference is usually only a few percent, which is why panels almost always go flat on the roof. Roof pitch is the forgotten number...
Which way should solar panels face in Australia?

Which way should solar panels face in Australia?

Quick answer: In Australia, north facing panels capture the most energy over a year. West facing suits households that use most of their power in the afternoon and evening. Measure your roof’s real direction with the free azimuth calculator below before you...