{"schemaVersion":"report-figure-v1","report":{"slug":"wem-solar-value-factor-2019-2025","title":"SWIS Rooftop Solar Was Worth Under an Eighth of the Average Price in 2024","url":"https://solaranalytica.com/wem-solar-value-factor-2019-2025","datePublished":"2026-10-20","lastReviewed":"2026-10-03"},"figure":{"id":"wem-utility-value-factor-post-reform","title":"SWIS utility-scale solar value factor after the reform","unit":"ratio (solar output-weighted Reference Trading Price over its time-weighted average)","caption":"After the reform. Solar output-weighted Reference Trading Price divided by the time-weighted average Reference Trading Price over the same included Trading Intervals, the same five facility codes. 2023 from 1 October 08:00 AWST is a spring and early-summer part-year. Not joined to the figure above. Computed by Solar Analytica from AEMO WEM Facility SCADA and Reference Trading Price data.","provenance":{"dataSource":"AEMO WEM Facility SCADA (post-reform) and Reference Trading Price","dataType":"Computed index from SCADA output and published prices","scope":"SWIS PV facility codes, 1 October 2023 08:00 AWST to 31 December 2025, by period"},"series":[{"label":"2023 from 1 Oct","value":0.658432},{"label":"2024","value":0.845706},{"label":"2025","value":0.792494}]},"csv":"https://solaranalytica.com/reports/wem-solar-value-factor-2019-2025/figures/wem-utility-value-factor-post-reform/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."}