Baulkham Hills 2153
Baulkham Hills sits on the NSW sustainability index. Roughly 29% of suitable rooftops here already have solar — 2,291 systems and counting. Home batteries (166) and heat pump hot water (278) are the fastest-growing holdings. That puts 2153 at #340 of 567 in NSW and #1556 of 2630 nationally, with a Suburb Green Index of 57.9 — below the state median. Every household that takes the free green audit lifts the suburb's standing — renters and owners alike earn a Green Score, a personalised switch plan, and credits for every green action.
How Baulkham Hills compares
Solar uptake here is 29% of suitable rooftops, behind the NSW median of 34%. Overall, 2153 ranks in the top 60% of NSW postcodes on the Suburb Green Index.
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Get my Green Score →Installation figures derived from Clean Energy Regulator small-scale installation postcode data (as of sample-curated); dwelling counts from ABS Census. Estimates are indicative.