Most Cairns homes can only export 5 kVA of solar to the Ergon grid. A local installer explains QLD export limits and how to size your system around them.
A Cairns installer compares the best solar inverters in Australia for 2026. Fronius, Sungrow and Enphase ranked, plus string vs microinverters explained.
Can solar run your air con in Cairns? Yes. See what splits and ducted systems draw, what a 6.6 kW or 10 kW system covers, and real FNQ costs for summer.
Most Cairns homes need a 10 to 13.5 kWh solar battery. Learn how to size yours from your Ergon bill, with worked examples for FNQ homes with air con.
Can you add a battery to an existing solar system? Almost always, yes. Here are the three retrofit paths for FNQ homes, what they cost in 2026, and how the federal rebate changes the maths.
Yes, solar panels keep working on cloudy days. See real Cairns wet season output for a 6.6 kW system, why rain helps, and how we design for it.
Charging an EV with solar in Cairns costs about $1 per 100 km. See the real numbers for petrol, grid and solar charging, plus the setup we recommend.
Most Cairns homes need 14 to 24 solar panels in 2026. See panel counts for 5kW, 6.6kW, 10kW and 13.2kW systems, plus the simple maths behind sizing.
Quality solar panels last 25 to 30 years, even in Cairns heat and humidity. A local installer explains what ages panels in FNQ and when to replace them.