Close the acquisition of Calpine Corp. within 12 months of signing
Delivered by the deadline
AI-confirmed · human review in progress Independent AI checks agreed on primary SEC or regulator evidence. Records are now being reviewed by hand, starting with those our customers order.
- Announced
- 10 Jan 2025
- Due
- 10 Jan 2026
- Delivered
- 7 Jan 2026
- Deadline
- Met
- Late
- Not met
- Today
What the company said
“The transaction is expected to close within 12 months of signing, subject to the satisfaction of customary closing conditions, including the expiration or termination of the waiting period”
What we found
Evidence strength A What the grades mean
Constellation Energy completed the acquisition of Calpine Corporation on January 7, 2026, which is within the 12-month deadline from the January 10, 2025 announcement.
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A Constellation Energy 8-K filed 2026-01-13
“the consummation of the Company's acquisition of Calpine, which occurred on January 7, 2026.” ✓ confirmed on the page
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A Constellation Energy 10-K filed 2026-02-24
“On January 7, 2026, we acquired all the outstanding equity interest of Calpine in a cash and stock transaction” ✓ confirmed on the page
Market reaction: the shares moved +2.0% against the S&P 500 over the three sessions around the disclosure (12 Jan 2026 to 15 Jan 2026). What this measures
Checked 17 Oct 2026.
Commitment DNA
The structured record of this commitment. Fields the company did not state are left blank rather than guessed.
- Event type
- Acquisition close
- Indicative materiality
- High rules
- Action
- Close
- Deliverable
- Acquisition of Calpine Corp.
- Target
- 12 months
- Language
- Expected (“expects”, “plans”)
- In the company’s control
- Low
- Specificity
- Medium
- Conditional
- Yes: subject to satisfaction of customary closing conditions; expiration or termination of Hart-Scott-Rodino waiting period; regulatory approvals from FERC, the Canadian Competition Bureau, the New York Public Service Commission, the Public Utility Commission of Texas and other regula
- Depends on
- Regulatory, Government, Counterparty
How this entry was checked
- Commitment recordedThe company's words were matched word for word against the filing.
- First checkAn AI model, Gemini (Google), read the company's later filings and recorded the outcome with a quoted passage.
- Second check: agreesA different AI model, Claude (Anthropic), re-read the evidence without being told the outcome and reached the same answer.
Confirmed. This outcome counts towards the company's Kept Score. How verification works
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Report an error in this entry Reference: KI-C-2025-CEG-010689 · Corrections policy