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154 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 154 solar systems typically avoid around 0.74 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Merredin ranks 211th 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 (6 systems, 45% below the previous year), a natural slowdown after earlier periods of stronger uptake.
Collectively, Merredin's 154 solar systems avoid an estimated 1,186 tonnes of CO₂ per year — the equivalent of removing 565 cars from the road. 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.