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5,352 solar installations registered with the Clean Energy Regulator · ranked top 5% in Victoria · data current as at 2026-04-03
Based on last week's Victoria grid mix (avg 980 gCO₂/kWh), Hallam's 5,352 solar systems typically avoid around 40.12 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Hallam is one of Victoria's strongest solar communities, ranking 26th in the state — ahead of 96% of all Victoria postcodes tracked by the Clean Energy Regulator. New installations eased in the past 12 months (308 systems, 18% below the previous year), a natural slowdown after earlier periods of stronger uptake.
The combined impact is substantial: Hallam's solar community avoids an estimated 64,094 tonnes of CO₂ every year — equivalent to taking 30,521 cars off the road or powering around 12,819 average Australian homes with clean electricity. This is estimated using Victoria's average grid emissions intensity of 980 gCO₂/kWh, sourced from OpenElectricity, applied to an average system size of 9kW.