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18 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), Bunbury's 18 solar systems typically avoid around 0.09 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Bunbury ranks 322nd in Western Australia out of 388 postcodes in the Clean Energy Regulator dataset, with 18 registered systems to date. 0 new systems were added in the past 12 months. Year-on-year growth data is not available for this postcode.
Bunbury's solar systems avoid an estimated 139 tonnes of CO₂ per year, equivalent to 66 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.