CONSTELLATION ENERGY GENERATION LLC 8-K

What Happened
Constellation Energy Generation, LLC filed a Form 8-K on January 8, 2026 reporting that it issued and sold $2.75 billion of senior notes. The offering consisted of four tranches: $300 million of Floating Rate Senior Notes due 2028, $900 million of 3.900% Senior Notes due 2028, $750 million of 4.400% Senior Notes due 2031, and $800 million of 5.875% Senior Notes due 2066. An underwriting agreement dated January 5, 2026 named BofA Securities, Citigroup, Goldman Sachs, Morgan Stanley and Scotia Capital as representatives of the underwriters.

Key Details

• Total issued: $2,750,000,000 in aggregate principal amount of Senior Notes.
• Tranches and terms: $300M floating-rate (due 2028); $900M at 3.900% (due 2028); $750M at 4.400% (due 2031); $800M at 5.875% (due 2066).
• The transaction creates new direct financial obligations for the company (Item 2.03 noted in the filing).
• The filing includes the underwriting agreement and forms of the notes; legal opinions were filed as exhibits.

Why It Matters
This transaction increases Constellation Energy Generation’s outstanding debt and establishes fixed- and floating-rate interest obligations with maturities ranging from 2028 to 2066. Investors should note the added principal, stated interest rates and long dated 2066 tranche when evaluating the company’s leverage, interest expense profile and refinancing timeline.