Have questions about battery systems or want personalised advice for your home?
Contact Us →Have questions about battery systems or want personalised advice for your home?
Contact Us →How a 5kW solar system fills a 13.5kWh battery each month
100% of battery charging from solar
In winter months, grid charging tops up your battery. With the right energy plan, you can charge during off-peak periods at very low rates - or even free.
Monthly averages based on typical weather. Cloudy days and seasonal variation mean some days will need grid top-up to fully charge your battery. Assumes ~35% of daily usage (5 kWh) during solar hours.
Cairns' tropical climate means high air conditioning loads and occasional cyclone-related outages, making batteries valuable for both savings and backup.
Cairns is served by Ergon Energy. With 5.5 average daily sun hours, a well-sized battery system can significantly reduce grid dependence and electricity costs.
Cairns residents qualify for the Cheaper Home Batteries Program:
Queensland's Battery Booster program closed on 8 May 2024. Only the federal rebate is now available.
Yes, batteries with backup capability can power essential loads during outages. Combined with excellent solar charging conditions, this provides valuable energy security in tropical north Queensland.