Constellation → Calpine: $16.4B acquisition
Constellation completes Calpine acquisition. Constellation closes the acquisition of Calpine (announced in January 2025) and becomes the largest US power producer, betting on data center contracts.
- Date
- Jan 7, 2026
- Paid by
Constellation- Received by
Calpine- Type
- Acquisition
- Amount
- $16.4B
- Status
- closed
- Note
- $16.4 billion of equity ($26.6 billion with debt)
Sources
All deals between Constellation and Calpine
- Jan 7, 2026 Constellation → Calpine · Constellation completes Calpine acquisition $16.4B
More Constellation / Calpine deals
- Oct 28, 2026 $5 billion federal loan to Constellation $5B
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