Western Australia · Postcode 6121

Postcode 6121 solar & clean energy data

962 solar installations registered with the Clean Energy Regulator · ranked top 50% in Western Australia · data current as at 2026-05-15

Postcode 6121
Ranked top 50% for solar uptake in Western Australia
#120
in Western Australia
962
Total solar installs
36
Installed last 12 months
-41%
12-month growth
Monthly solar installations · past 12 months
12 months agoThis month
58
Home batteries
6.0%
Of solar homes have battery
Cheaper Home Batteries Program · from Jul 2025
7,406
tonnes CO₂/yr
Estimated annual carbon avoided by Postcode 6121's 962 solar systems combined — equivalent to taking 3,527 cars off the road.
Community total, not per household. Estimated from avg 9kW system size × WA grid emissions factor.
Compared to neighbouring postcodes
6121
962
#120 state
you
6122
6,599
#21 state
6122
6123
677
#130 state
6123
6124
350
#166 state
6124
6125
975
#117 state
6125
6126
71
#254 state
6126
Western Australia grid · community impact

Based on last week's Western Australia grid mix (avg 630 gCO₂/kWh), Postcode 6121's 962 solar systems typically avoid around 4.64 tonnes of CO₂ every hour during peak generation.

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

Postcode 6121 ranks 120th in Western Australia for solar installations — in the middle tier of 388 postcodes tracked by the Clean Energy Regulator across the state. New installations eased in the past 12 months (36 systems, 41% below the previous year), a natural slowdown after earlier periods of stronger uptake.

Collectively, Postcode 6121's 962 solar systems avoid an estimated 7,406 tonnes of CO₂ per year — the equivalent of removing 3,527 cars from the road. This is estimated using Western Australia's average grid emissions intensity of 630 gCO₂/kWh, sourced from OpenElectricity, applied to an average system size of 9kW.

Monthly solar installations · Postcode 6121
36 installs · Jun – May
3
3
3
4
2
4
2
3
6
1
4
1
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