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1,686 solar installations registered with the Clean Energy Regulator · ranked top 50% in South Australia · data current as at 2026-04-03
Based on last week's South Australia grid mix (avg 370 gCO₂/kWh), Semaphore's 1,686 solar systems typically avoid around 4.77 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Semaphore ranks 108th 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 (58 systems, 25% below the previous year), a natural slowdown after earlier periods of stronger uptake.
Collectively, Semaphore's 1,686 solar systems avoid an estimated 7,623 tonnes of CO₂ per year — the equivalent of removing 3,630 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.