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150 solar installations registered with the Clean Energy Regulator · ranked bottom 50% in Queensland · data current as at 2026-04-03
Based on last week's Queensland grid mix (avg 810 gCO₂/kWh), Mount Isa's 150 solar systems typically avoid around 0.93 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Mount Isa ranks 357th in Queensland out of 449 postcodes in the Clean Energy Regulator dataset, with 150 registered systems to date. Growth has been strong, with 8 new systems installed in the past 12 months — a 100% increase on the previous year, making Mount Isa one of Queensland's faster-growing solar postcodes.
Collectively, Mount Isa's 150 solar systems avoid an estimated 1,485 tonnes of CO₂ per year — the equivalent of removing 707 cars from the road. 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.