{"schemaVersion":"report-figure-v1","report":{"slug":"swis-rooftop-trajectory-2011-2025","title":"Watts per Person: Measuring the SWIS Rooftop Path Before Comparing It","url":"https://solaranalytica.com/swis-rooftop-trajectory-2011-2025","datePublished":"2026-10-03","lastReviewed":"2026-09-25"},"figure":{"id":"swis-rooftop-watts-per-person","title":"Rooftop solar per resident, SWIS screening boundary, 2011 to 2025","unit":"W per person","caption":"Cumulative CER small-scale solar capacity at 31 December, including the 2001 to 2010 historic stock, divided by ABS estimated resident population at 30 June, both for the same 246 SA2s. Computed by Solar Analytica from the committed SWIS DER snapshot, CER edition 2026-07. Recent years are incomplete while certificates can still be created.","provenance":{"dataSource":"CER small-scale solar capacity by postcode and ABS estimated resident population, via swis-der-cer-2026-07","dataType":"Computed ratio of certificate-based capacity to estimated population","scope":"246 SA2s, year-end stock over 30 June population"},"series":[{"label":"2011","value":76},{"label":"2012","value":116},{"label":"2013","value":142},{"label":"2014","value":180},{"label":"2015","value":218},{"label":"2016","value":268},{"label":"2017","value":340},{"label":"2018","value":419},{"label":"2019","value":508},{"label":"2020","value":623},{"label":"2021","value":745},{"label":"2022","value":839},{"label":"2023","value":907},{"label":"2024","value":977},{"label":"2025","value":1045}]},"csv":"https://solaranalytica.com/reports/swis-rooftop-trajectory-2011-2025/figures/swis-rooftop-watts-per-person/data.csv","publicationState":"fixed-edition","boundary":"The figure remains bound to the report edition. A newer upstream release creates a review obligation and never rewrites these rows automatically."}