New South Wales · Postcode 2325

Cessnock solar & clean energy data

6,158 solar installations registered with the Clean Energy Regulator · ranked top 10% in New South Wales · data current as at 2026-08-15

Cessnock
Ranked top 10% for solar uptake in New South Wales
#39
in New South Wales
6,158
Total solar installs
525
Installed last 12 months
+18%
12-month growth
Monthly solar installations · past 12 months
12 months agoThis month
741
Home batteries
12.0%
Of solar homes have battery
Cheaper Home Batteries Program · from Jul 2025
59,449
tonnes CO₂/yr
Estimated annual carbon avoided by Cessnock's 6,158 solar systems combined — equivalent to taking 28,309 cars off the road.
Community total, not per household. Estimated from avg 9kW system size × NSW grid emissions factor.
Compared to neighbouring postcodes
2325
6,158
#39 state
you
2324
6,194
#38 state
Cessnock
2326
1,633
#227 state
Cessnock
2323
4,617
#70 state
Cessnock
2327
1,307
#270 state
Kurri Kurri
2322
5,801
#44 state
Cessnock
New South Wales grid · community impact

Based on last week's New South Wales grid mix (avg 790 gCO₂/kWh), Cessnock's 6,158 solar systems typically avoid around 37.22 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 39th in the state — ahead of 95% of all New South Wales postcodes tracked by the Clean Energy Regulator. 525 new systems were installed in the past 12 months, a 18% increase on the previous year — steady growth consistent with continued community uptake.

The combined impact is substantial: Cessnock's solar community avoids an estimated 59,449 tonnes of CO₂ every year — equivalent to taking 28,309 cars off the road or powering around 11,890 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.

Monthly solar installations · Cessnock
525 installs · Sep – Aug
36
30
41
55
28
34
61
46
49
65
47
33
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