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120 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 120 solar systems typically avoid around 0.58 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Kalgoorlie ranks 228th in Western Australia for solar installations — in the middle tier of 388 postcodes tracked by the Clean Energy Regulator across the state. New installations eased in the past 12 months (8 systems, 20% below the previous year), a natural slowdown after earlier periods of stronger uptake.
Kalgoorlie's solar systems avoid an estimated 924 tonnes of CO₂ per year, equivalent to 440 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.