84 solar installations registered with the Clean Energy Regulator · ranked bottom 50% in Victoria · data current as at 2026-05-15
Based on last week's Victoria grid mix (avg 980 gCO₂/kWh), Colac's 84 solar systems typically avoid around 0.63 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Colac ranks 587th in Victoria out of 713 postcodes in the Clean Energy Regulator dataset, with 84 registered systems to date. Growth has been strong, with 4 new systems installed in the past 12 months — a 100% increase on the previous year, making Colac one of Victoria's faster-growing solar postcodes.
Collectively, Colac's 84 solar systems avoid an estimated 1,006 tonnes of CO₂ per year — the equivalent of removing 479 cars from the road. 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.