{"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-pre-reform","title":"SWIS utility-scale solar value factor before the reform","unit":"ratio (solar output-weighted Final Price over its time-weighted average)","caption":"Before the reform. Solar output-weighted Balancing Market Final Price divided by the time-weighted average Final Price over the same Trading Intervals, five PV facility codes. 1.00 is the average price. 2023 runs to 1 October 08:00 AWST and is a part-year. Computed by Solar Analytica from AEMO WEM Facility SCADA and Balancing Summary data.","provenance":{"dataSource":"AEMO WEM Facility SCADA (pre-reform) and Balancing Summary Final Price","dataType":"Computed index from SCADA output and published prices","scope":"SWIS PV facility codes, 2019 to 1 October 2023 08:00 AWST, by period"},"series":[{"label":"2019","value":0.873176},{"label":"2020","value":0.706836},{"label":"2021","value":0.747045},{"label":"2022","value":0.78977},{"label":"2023 to 1 Oct","value":0.758813}]},"csv":"https://solaranalytica.com/reports/wem-solar-value-factor-2019-2025/figures/wem-utility-value-factor-pre-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."}