01—Abstract
Summary
Summary of the 8-K filed January 13, 2026. Cited figures are marked; the original filing is the authoritative source.
Constellation Energy Corporation (CEG) and its subsidiary Constellation Energy Generation, LLC filed this Form 8-K to announce the expiration and final results of the exchange offers and consent solicitations for outstanding notes issued by Calpine Corporation, which Constellation acquired on January 7, 2026.
The exchange offers expired at 5:00 P.M. New York time on January 12, 2026, and settlement is expected on or around January 15, 2026. This is a financing and balance-sheet integration event rather than an operating or earnings disclosure, and the filing contains no new financial results or guidance.
Holders tendered high proportions of the eligible Calpine notes: about 99.51% of the 4.625% Senior Unsecured Notes due 2029 ($646.8 milliona), about 99.73% of the 5.000% Senior Unsecured Notes due 2031 ($847.7 million), and about 88.36% of the 3.750% Senior Secured Notes due 2031 ($795.2 million). Constellation exchanged these for new Constellation Energy Generation notes with equal principal, plus small cash payments for early tenders. Consents were also obtained to strip substantially all restrictive covenants and events of default from the Calpine indentures, other than payment and bankruptcy defaults.
With 66 2/3%b consent reached on the secured notes, the collateral securing them will be released. For investors, the key takeaway is that Constellation has largely absorbed Calpine's debt onto its own paper and removed the associated covenant constraints, which simplifies the capital structure and reduces the cost and complexity of managing Calpine's legacy obligations.
The cash consideration is minimal, roughly $1.00 to $2.83c per $1,000 of principal, so the transaction has little direct cash impact. The filing is a press release furnished under Item 8.01 and does not discuss the acquisition's broader financial effects, synergy targets, or leverage metrics.
02—Key points
Key Highlights
- Calpine acquisition closed January 7, 2026; the exchange offers were conducted to consolidate Calpine's legacy notes into Constellation Energy Generation, LLC obligations.
- Exchange offers expired January 12, 2026 with very high participation: ~99.51% of 2029 unsecured notes, ~99.73% of 2031 unsecured notes, and ~88.36% of 2031 secured notes.
- Aggregate principal tendered totaled roughly $2.29 billion across the three series ($646.8M + $847.7M + $795.2M).
- Holders received new Constellation notes at par plus minimal cash ($1.00 to $2.83 per $1,000) for early tenders; late tenders received $970 of new notes per $1,000 with no cash.
- Consent solicitations removed substantially all restrictive covenants and events of default from the Calpine indentures, leaving only payment and bankruptcy defaults.
- Collateral securing the 3.750% secured notes is being released, since consents exceeded the 66 2/3% threshold.
- Settlement is expected around January 15, 2026; the filing contains no new financial results, guidance, or synergy figures.
03—Questions
Frequently Asked Questions
Why did Constellation launch these exchange offers?
After acquiring Calpine on January 7, 2026, Constellation sought to exchange Calpine's outstanding notes for new Constellation Energy Generation, LLC notes and to amend the Calpine indentures. This consolidates the debt under Constellation's obligations and removes most restrictive covenants from the legacy Calpine debt, which simplifies the combined company's capital structure.
How much Calpine debt was tendered in the exchange?
About $2.29 billion in aggregate principal was validly tendered across the three series: $646.8 million of 4.625% 2029 unsecured notes (99.51%), $847.7 million of 5.000% 2031 unsecured notes (99.73%), and $795.2 million of 3.750% 2031 secured notes (88.36%).
What did holders receive for tendering their notes?
Holders who tendered by the December 22, 2025 early deadline received Constellation notes of equal principal plus cash of about $1.00 per $1,000 for the unsecured 2029 and 2031 notes and $2.83 per $1,000 for the secured 2031 notes. Those who tendered later received $970 of new notes per $1,000 with no cash.
Does this filing change Constellation's financial outlook?
No. The 8-K is a press release on the expiration and final results of the exchanges. It contains no new earnings, guidance, or synergy estimates, and its forward-looking statements are standard cautionary language. Investors should look to the company's periodic reports for financial effects of the Calpine acquisition.
What happens to the collateral securing the Calpine secured notes?
Because consents from holders of at least 66 2/3% of the 3.750% secured 2031 notes were received, the amended indenture will eliminate the security interest and release the collateral securing those notes.
04—Continue