{"schemaVersion":"report-figure-v1","report":{"slug":"nem-bess-capture-index","title":"The TBx Capture Index: Every NEM Battery Against Perfect Foresight","url":"https://solaranalytica.com/nem-bess-capture-index","datePublished":"2026-07-08","lastReviewed":"2026-07-22"},"figure":{"id":"region-against-structure","title":"The TBx index at all three durations, Queensland against South Australia, Q1 2026","unit":"thousand AUD per MW, Q1 2026","valueLabel":"Queensland","valueBLabel":"South Australia","caption":"Region against structure, from the index table above. Moving from TB1 to TB4 roughly triples the settlement in either region, but South Australia's narrowest structure (A$53,387/MW) still pays more than Queensland's widest (A$35,965/MW). Choosing the region moves more money than choosing the contract.","series":[{"label":"TB1","value":12.3,"valueB":53.4},{"label":"TB2","value":21.8,"valueB":92.6},{"label":"TB4","value":36,"valueB":133.7}]},"csv":"https://solaranalytica.com/reports/nem-bess-capture-index/figures/region-against-structure/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."}