95% CONFIDENCEOverall confidence: 95%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better46 days ago
Source explicitly identifies 2026-09-22 as the announcement or milestone date; pin uses this date. Investment period: Trial production milestone September 2026 within the original Hungary project.[1]CATL began trial production on the first two cell-production lines at Debrecen, Hungary, on September 22, 2026. The milestone advances the plant originally announced as a €7.34 billion, 100 GWh project; it is not a new investment commitment.