72 solar installations registered with the Clean Energy Regulator · ranked bottom 50% in Victoria · data current as at 2026-06-15
Based on last week's Victoria grid mix (avg 980 gCO₂/kWh), Colac's 72 solar systems typically avoid around 0.54 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Colac ranks 605th in Victoria out of 713 postcodes in the Clean Energy Regulator dataset, with 72 registered systems to date. 3 new systems were added in the past 12 months, with growth of 0% on the previous year — typical of a maturing market where most interested households have already installed.
Colac's solar systems avoid an estimated 862 tonnes of CO₂ per year, equivalent to 410 fewer cars on the road annually. 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.