Victoria · Postcode 3978

Cranbourne solar & clean energy data

12,260 solar installations registered with the Clean Energy Regulator · ranked top 5% in Victoria · data current as at 2026-08-15

Cranbourne
Ranked top 5% for solar uptake in Victoria
#5
in Victoria
12,260
Total solar installs
1,927
Installed last 12 months
+0%
12-month growth
Monthly solar installations · past 12 months
12 months agoThis month
1,669
Home batteries
13.6%
Of solar homes have battery
Cheaper Home Batteries Program · from Jul 2025
146,823
tonnes CO₂/yr
Estimated annual carbon avoided by Cranbourne's 12,260 solar systems combined — equivalent to taking 69,916 cars off the road.
Community total, not per household. Estimated from avg 9kW system size × VIC grid emissions factor.
Compared to neighbouring postcodes
3978
12,260
#5 state
you
3977
20,385
#3 state
Cranbourne
3979
99
#567 state
Cranbourne
3976
3,828
#47 state
Dandenong South
3980
715
#295 state
Cranbourne
3975
3,677
#53 state
Dandenong South
Victoria grid · community impact

Based on last week's Victoria grid mix (avg 980 gCO₂/kWh), Cranbourne's 12,260 solar systems typically avoid around 91.91 tonnes of CO₂ every hour during peak generation.

Grid intensity data: Open Electricity (openelectricity.org.au) · 7-day average · updates monthly

Cranbourne is one of Victoria's strongest solar communities, ranking 5th in the state — ahead of 99% of all Victoria postcodes tracked by the Clean Energy Regulator. 1,927 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.

The combined impact is substantial: Cranbourne's solar community avoids an estimated 146,823 tonnes of CO₂ every year — equivalent to taking 69,916 cars off the road or powering around 29,365 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.

Monthly solar installations · Cranbourne
1,927 installs · Sep – Aug
153
178
228
215
165
123
192
140
172
177
112
72
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