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62 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), Merredin's 62 solar systems typically avoid around 0.30 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Merredin ranks 262nd in Western Australia out of 388 postcodes in the Clean Energy Regulator dataset, with 62 registered systems to date. Growth has been strong, with 4 new systems installed in the past 12 months — a 33% increase on the previous year, making Merredin one of Western Australia's faster-growing solar postcodes.
Merredin's solar systems avoid an estimated 477 tonnes of CO₂ per year, equivalent to 227 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.