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2,797 solar installations registered with the Clean Energy Regulator · ranked top 15% 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 2,797 solar systems typically avoid around 7.92 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Noarlunga sits in the top third of South Australia for solar uptake, ranking 50th in the state out of 347 postcodes in the Clean Energy Regulator dataset. New installations eased in the past 12 months (136 systems, 5% below the previous year), a natural slowdown after earlier periods of stronger uptake.
The combined impact is substantial: Noarlunga's solar community avoids an estimated 12,647 tonnes of CO₂ every year — equivalent to taking 6,022 cars off the road or powering around 2,529 average Australian homes with clean electricity. 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.