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402 solar installations registered with the Clean Energy Regulator · ranked bottom 50% in South Australia · data current as at 2026-04-03
Based on last week's South Australia grid mix (avg 370 gCO₂/kWh), Noarlunga's 402 solar systems typically avoid around 1.14 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Noarlunga ranks 194th in South Australia for solar installations — in the middle tier of 347 postcodes tracked by the Clean Energy Regulator across the state. New installations eased in the past 12 months (25 systems, 22% below the previous year), a natural slowdown after earlier periods of stronger uptake.
Collectively, Noarlunga's 402 solar systems avoid an estimated 1,818 tonnes of CO₂ per year — the equivalent of removing 866 cars from the road. This is estimated using South Australia's average grid emissions intensity of 370 gCO₂/kWh, sourced from OpenElectricity, applied to an average system size of 9kW.