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Home·Deals·Energy·Constellation acquires Calpine
Constellation acquires Calpine (2026)
SEO URLwww.firestrike.ai/deals/calpine-constellation-acquisition-2026
acquisitionAnnounced · Jan 8, 2026EnergySource · CredibleArticle · Factual
Calpine
Constellation
Calpine · Constellation

Constellation acquires Calpine

David Najork
David Najork · Founding Software Engineer
Published · Updated · 1 min read
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Deal value
—
Target
Calpine
Calpine
Houston, Texas
Acquirer
Constellation
Constellation
Full Acquisition
Status
Pending

Constellation agreed to acquire Calpine. Reported deal value: Undisclosed. Status: Pending. Sector: Energy. Target headquarters context: Houston, Texas, United States.

This page summarizes publicly available information about the transaction as of 2026-01-08. Figures and status may change as filings and press coverage update.

Today at 6:35 PM Constellation Completes Acquisition of Calpine , Creating Leading Power Producer Constellation announced it has completed its acquisition of Calpine Corporation from Energy Capital Partners, combining Constellation nuclear fleet with Calpine natural gas and geothermal generation to form a power platform with 55 gigawatts of generating capacity

Deal timeline

Announced
Jan 8, 2026 · pulse2.com
Additional milestones (proxy, vote, close) appear as filings and press updates are indexed.
Sector context

This transaction is classified in Energy. Figures and status may change as sources update.

Sources: pulse2.com · Primary article · FireStrike proprietary index