{"schema_version":"secwatch.filing_event.v1","accession":"0001168165-26-000010","form_type":"8-K","ticker":null,"cik":"0001168165","company_name":"CONSTELLATION ENERGY GENERATION LLC","filed_at":"2026-05-14T20:23:30+00:00","discovered_at":"2026-05-14T20:25:00.306443+00:00","generated_at":"2026-05-14T20:25:30.927517+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Constellation Energy Generation issues $2.2B senior notes across three tranches","bullets":["Issued $750M of 4.550% notes due 2029, $600M of 4.800% notes due 2032, and $850M of 5.300% notes due 2036.","Proceeds to repay short-term borrowings/commercial paper and for general corporate purposes.","Interest on 2029 and 2036 notes payable semiannually starting Dec 1, 2026; 2032 notes start Jul 15, 2026.","Underwriting agreement with Barclays, BNP Paribas, J.P. Morgan, Mizuho, MUFG, and RBC Capital Markets."],"urls":{"canonical":"https://secwatch.observer/filing/0001168165-26-000010","json":"https://secwatch.observer/filing/0001168165-26-000010.json","markdown":"https://secwatch.observer/filing/0001168165-26-000010.md","text":"https://secwatch.observer/filing/0001168165-26-000010.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1168165/000116816526000010/0001168165-26-000010-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1168165/000116816526000010/ceg-20260514.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-14T20:25:30.927517+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"22217b8d5aa4fab79bdb279d9425909ef5a8e219","claim":"CONSTELLATION ENERGY GENERATION LLC incurred senior notes of $850,000,000 in aggregate principal amount with U.S. Bank Trust Company, National Association at 5.300% per year maturing June 1, 2036.","evidence_excerpt":"Creation of a Direct Financial Obligation The Senior Notes were issued under an indenture, dated as of September 28, 2007, between Constellation and U.S. Bank Trust Company, National Association, as trustee. The proceeds of the Senior Notes will be used, after deducting underwriters’ discounts and commissions and other estimated fees and expenses, to (i) to repay short-term borrowings, including commercial paper obligations and (ii) for general corporate purposes.","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1168165/000116816526000010/0001168165-26-000010-index.htm","confidence":0.99,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$850,000,000 in aggregate principal amount"},{"label":"Counterparty","value":"U.S. Bank Trust Company, National Association"},{"label":"Rate","value":"5.300% per year"},{"label":"Maturity","value":"June 1, 2036"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"bb12d3afde62dbea03788ce1eda9963aa3aebd19","claim":"CONSTELLATION ENERGY GENERATION LLC incurred senior notes of $750,000,000 in aggregate principal amount with U.S. Bank Trust Company, National Association at 4.550% per year maturing June 1, 2029.","evidence_excerpt":"On May 14, 2026, Constellation Energy Generation, LLC (Constellation) issued and sold $750,000,000 in aggregate principal amount of 4.550% Senior Notes due 2029","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1168165/000116816526000010/0001168165-26-000010-index.htm","confidence":0.99,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$750,000,000 in aggregate principal amount"},{"label":"Counterparty","value":"U.S. Bank Trust Company, National Association"},{"label":"Rate","value":"4.550% per year"},{"label":"Maturity","value":"June 1, 2029"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"ed089bb073bcefe391910a0e77ccab6c96adc58a","claim":"CONSTELLATION ENERGY GENERATION LLC incurred senior notes of $600,000,000 in aggregate principal amount with U.S. Bank Trust Company, National Association at 4.800% per year maturing January 15, 2032.","evidence_excerpt":"Creation of a Direct Financial Obligation The Senior Notes were issued under an indenture, dated as of September 28, 2007, between Constellation and U.S. Bank Trust Company, National Association, as trustee. The proceeds of the Senior Notes will be used, after deducting underwriters’ discounts and commissions and other estimated fees and expenses, to (i) to repay short-term borrowings, including commercial paper obligations and (ii) for general corporate purposes.","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1168165/000116816526000010/0001168165-26-000010-index.htm","confidence":0.99,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$600,000,000 in aggregate principal amount"},{"label":"Counterparty","value":"U.S. Bank Trust Company, National Association"},{"label":"Rate","value":"4.800% per year"},{"label":"Maturity","value":"January 15, 2032"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"94c55252a332c86b65484b322e6cfbe92d4908db","claim":"CONSTELLATION ENERGY GENERATION LLC entered into Senior Notes valued at $750,000,000 in aggregate principal amount of 4.550% Senior Notes due 2029, $600,000,000 in aggregat (effective 2026-05-14).","evidence_excerpt":"On May 14, 2026, Constellation Energy Generation, LLC (Constellation) issued and sold $750,000,000 in aggregate principal amount of 4.550% Senior Notes due 2029 (the 2029 Senior Notes), $600,000,000 in aggregate principal amount of 4.800% Senior Notes due 2032 (the 2032 Senior Notes) and $850,000,000 in aggregate principal amount of 5.300% Senior Notes due 2036 (the 2036 Senior Notes, and collectively with the 2029 Senior Notes and the 2032 Senior Notes, the Senior Notes).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1168165/000116816526000010/0001168165-26-000010-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Value","value":"$750,000,000 in aggregate principal amount of 4.550% Senior Notes due 2029, $600,000,000 in aggregat"},{"label":"Effective","value":"2026-05-14"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}