Data sources

Every figure on this site comes from the public datasets below. Nothing is estimated, modelled or invented by this site; the only calculations are totals of published figures, shares and ratios, each described on the methodology page.

Small-scale installation postcode data

• Publisher: Clean Energy Regulator (Australian Government)
• Dataset page: https://cer.gov.au/markets/reports-and-data/small-scale-installation-postcode-data
• Data to Sep 2026; files last modified 2026-10-19
• solar-installations: https://cer.gov.au/document/sgu-solar-installations-2011-to-present-and-totals (SHA-256 18474fe10be68f51…, 2,811 rows)
• solar-capacity: https://cer.gov.au/document/sgu-solar-capacity-2011-to-present-and-totals (SHA-256 494326b82b414f9c…, 2,811 rows)
• battery-installations: https://cer.gov.au/document/sgu-battery-installations-2011-to-present-and-totals (SHA-256 df682ba619d31d50…, 2,489 rows)
• battery-capacity: https://cer.gov.au/document/sgu-battery-capacity-2011-to-present-and-totals (SHA-256 6c862a8d9366bf46…, 2,489 rows)
• Copyright and licence: https://cer.gov.au/about-us/our-policies/copyright

Licence and attribution

Source: Clean Energy Regulator, Small-scale installation postcode data, licensed under Creative Commons Attribution 4.0 International. This site has reorganised the data, summed monthly figures into years and postcode rows into state and national totals, and calculated average system sizes and rankings. These changes are the site's own and are not endorsed by the Clean Energy Regulator.

This site is not affiliated with or endorsed by these agencies, and none of their logos or symbols are used.