37 solar installations registered with the Clean Energy Regulator · ranked bottom 50% in Queensland · data current as at 2026-05-15
Based on last week's Queensland grid mix (avg 810 gCO₂/kWh), Cairns's 37 solar systems typically avoid around 0.23 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Cairns ranks 412th in Queensland out of 449 postcodes in the Clean Energy Regulator dataset, with 37 registered systems to date. 1 new systems were added in the past 12 months, with growth of 0% on the previous year — typical of a maturing market where most interested households have already installed.
Cairns's solar systems avoid an estimated 366 tonnes of CO₂ per year, equivalent to 174 fewer cars on the road annually. This is estimated using Queensland's average grid emissions intensity of 810 gCO₂/kWh, sourced from OpenElectricity, applied to an average system size of 9kW.