New South Wales · Postcode 2027

Double Bay solar & clean energy data

151 solar installations registered with the Clean Energy Regulator · ranked bottom 50% in New South Wales · data current as at 2026-08-15

Double Bay
Ranked bottom 50% for solar uptake in New South Wales
#547
in New South Wales
151
Total solar installs
15
Installed last 12 months
+25%
12-month growth
Monthly solar installations · past 12 months
12 months agoThis month
23
Home batteries
15.2%
Of solar homes have battery
Cheaper Home Batteries Program · from Jul 2025
1,458
tonnes CO₂/yr
Estimated annual carbon avoided by Double Bay's 151 solar systems combined — equivalent to taking 694 cars off the road.
Community total, not per household. Estimated from avg 9kW system size × NSW grid emissions factor.
Compared to neighbouring postcodes
2027
151
#547 state
you
2026
1,152
#284 state
Bondi
2028
126
#557 state
Rose Bay
2029
376
#457 state
Edgecliff
2025
258
#503 state
Woollahra
2030
952
#310 state
Vaucluse
New South Wales grid · community impact

Based on last week's New South Wales grid mix (avg 790 gCO₂/kWh), Double Bay's 151 solar systems typically avoid around 0.91 tonnes of CO₂ every hour during peak generation.

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

Double Bay ranks 547th in New South Wales out of 721 postcodes in the Clean Energy Regulator dataset, with 151 registered systems to date. Growth has been strong, with 15 new systems installed in the past 12 months — a 25% increase on the previous year, making Double Bay one of New South Wales's faster-growing solar postcodes.

Collectively, Double Bay's 151 solar systems avoid an estimated 1,458 tonnes of CO₂ per year — the equivalent of removing 694 cars from the road. 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 · Double Bay
15 installs · Sep – Aug
1
3
2
1
1
2
4
1
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