CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins82% CONFIDENCEOverall confidence: 82%How well the pin's source and references back up its dates.Weighted average of how firmly 4 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 better
Constellation's release is dated "BALTIMORE and HOUSTON (January 7, 2026)" and says it "today announced it has completed its acquisition of Calpine"; POWER also gives 7 January.[1]On 7 January 2026 Constellation closed its purchase of Calpine from Energy Capital Partners in a deal valued at US$26.6 billion including debt, combining its nuclear fleet with Calpine's natural gas and geothermal plants.
$26.6B
1.00
