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Queensland · Postcode 4870

Cairns solar & clean energy data

13,299 solar installations registered with the Clean Energy Regulator · ranked top 5% in Queensland · data current as at 2026-04-03

Cairns
Ranked top 5% for solar uptake in Queensland
#14
in Queensland
13,299
Total solar installs
1,071
Installed last 12 months
-1%
12-month growth
Monthly solar installations · past 12 months
12 months agoThis month
543
Home batteries
4.1%
Of solar homes have battery
Cheaper Home Batteries Program · from Jul 2025
131,638
tonnes CO₂/yr
Estimated annual carbon avoided by Cairns's 13,299 solar systems combined — equivalent to taking 62,685 cars off the road.
Community total, not per household. Estimated from avg 9kW system size × QLD grid emissions factor.
Compared to neighbouring postcodes
4870
13,299
#14 state
you
4869
4,845
#80 state
Cairns
4871
1,998
#170 state
Cairns
4868
4,660
#83 state
Cairns
4872
998
#224 state
Cairns
4873
1,816
#180 state
Cairns
Queensland grid · community impact

Based on last week's Queensland grid mix (avg 810 gCO₂/kWh), Cairns's 13,299 solar systems typically avoid around 82.41 tonnes of CO₂ every hour during peak generation.

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

Cairns is one of Queensland's strongest solar communities, ranking 14th in the state — ahead of 97% of all Queensland postcodes tracked by the Clean Energy Regulator. New installations eased in the past 12 months (1,071 systems, 1% below the previous year), a natural slowdown after earlier periods of stronger uptake.

The combined impact is substantial: Cairns's solar community avoids an estimated 131,638 tonnes of CO₂ every year — equivalent to taking 62,685 cars off the road or powering around 26,328 average Australian homes with clean electricity. This is estimated using Queensland's average grid emissions intensity of 810 gCO₂/kWh, sourced from OpenElectricity, applied to an average system size of 9kW.

Monthly solar installations · Cairns
1,071 installs · May – Apr
85
100
85
85
111
108
88
99
84
89
65
72
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