Calpine ↔ Constellation: every deal
All 1 deals between Calpine and Constellation: $16.4B in total since Jan 7, 2026, with dates, status and sources. Updated Nov 9, 2026.
Constellation → Calpine
$16.4B
Calpine
ConstellationJan 7, 2026Acquisitionclosed$16.4B
Constellation → Calpine · $16.4 billion of equity ($26.6 billion with debt)
Constellation closes the acquisition of Calpine (announced in January 2025) and becomes the largest US power producer, betting on data center contracts.