Constellation: AI deals, investors and valuation
As of Nov 9, 2026, Constellation has 3 AI deals of $1B+ in this database: it pays $16.4B and receives $5B (net −$11.4B). It ranks #53 of 198 companies by number of deals.
Value over time
Valuation history
- January 2025$106.3B
- April 2025$79.2B
- July 2025$123.2B
- October 2025$133.6B
- January 2026$99.4B
- April 2026$110.9B
- July 2026$93.1B
- October 2026$93B
- November 2026$88.6B
Receives from
US GovernmentPays to
CalpineLoops it is part of
No closed loop found for this company.
All Constellation deals
The US Department of Energy conditionally grants a $5 billion loan to Constellation for nuclear plants that will power data centers.
Constellation closes the acquisition of Calpine (announced in January 2025) and becomes the largest US power producer, betting on data center contracts.
Meta signs a 20-year contract for power from Constellation's Clinton nuclear plant (Illinois), starting 2027: Meta's first nuclear deal.
Questions and answers
Who are Constellation's biggest investors and payers?
US Government ($5B).
How much has Constellation invested or spent on AI deals?
$16.4B across 1 deals, the largest with Calpine.
How much is Constellation worth?
Market cap: $88.6B (Nov 9, 2026).
Is Constellation part of a circular deal?
No closed loop found for this company.
Meta