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4,438 solar installations registered with the Clean Energy Regulator · ranked top 10% in New South Wales · data current as at 2026-04-03
Based on last week's New South Wales grid mix (avg 790 gCO₂/kWh), Cessnock's 4,438 solar systems typically avoid around 26.82 tonnes of CO₂ every hour during peak generation.
Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly
Cessnock is one of New South Wales's strongest solar communities, ranking 71st in the state — ahead of 90% of all New South Wales postcodes tracked by the Clean Energy Regulator. New installations eased in the past 12 months (235 systems, 30% below the previous year), a natural slowdown after earlier periods of stronger uptake.
The combined impact is substantial: Cessnock's solar community avoids an estimated 42,844 tonnes of CO₂ every year — equivalent to taking 20,402 cars off the road or powering around 8,569 average Australian homes with clean electricity. This is estimated using New South Wales's average grid emissions intensity of 790 gCO₂/kWh, sourced from OpenElectricity, applied to an average system size of 9kW.