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90 solar installations registered with the Clean Energy Regulator · ranked bottom 50% in Western Australia · data current as at 2026-04-03
Based on last week's Western Australia grid mix (avg 630 gCO₂/kWh), Kalgoorlie's 90 solar systems typically avoid around 0.43 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Kalgoorlie ranks 239th in Western Australia out of 388 postcodes in the Clean Energy Regulator dataset, with 90 registered systems to date. New installations eased in the past 12 months (6 systems, 70% below the previous year), a natural slowdown after earlier periods of stronger uptake.
Kalgoorlie's solar systems avoid an estimated 693 tonnes of CO₂ per year, equivalent to 330 fewer cars on the road annually. This is estimated using Western Australia's average grid emissions intensity of 630 gCO₂/kWh, sourced from OpenElectricity, applied to an average system size of 9kW.