{"filing":{"accession_number":"0001868275-26-000080","cik":"0001168165","ticker":null,"company_name":"CONSTELLATION ENERGY GENERATION LLC","form":"8-K","filing_date":"2026-07-14","report_date":null,"primary_document":"ceg-20260714.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1168165/000186827526000080/ceg-20260714.htm"},"events":[{"id":17947,"run_id":16099,"accession_number":"0001868275-26-000080","anchor_item_number":"8.01","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"The disclosure reports results of the PJM capacity auction for 2028-2029, showing that all of Constellation's power plants cleared with 18,875 MW of total capacity at $325/MW. This is a material operational and financial event affecting future revenue streams, particularly for nuclear units whose capacity revenues factor into Production Tax Credit calculations. While not a traditional M\u0026A, litigation, or governance matter, the auction results represent a significant market outcome affecting the company's operational and financial planning.","company_name":"CONSTELLATION ENERGY GENERATION LLC","ticker":null,"filing_date":"2026-07-14","form":"8-K","submitted_at":null,"items":[{"id":16609,"accession_number":"0001868275-26-000080","item_number":"8.01","item_title":"Other Events","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"Constellation Energy disclosed the results of the PJM capacity auction for the 2028-2029 planning year, with all of the Company's power plants clearing at $325/MW across multiple zones (COMED, EMAAC, MAAC, BGE, RTO), totaling 18,875 MW. This is a material operational and commercial event affecting future capacity revenues, particularly for nuclear units whose revenues are included in the Production Tax Credit calculation. While not a specific named event type, this is clearly an operational/commercial milestone that would affect investor assessment of the registrant's revenue visibility and market position.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-14T21:24:36.762473+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":16609,"accession_number":"0001868275-26-000080","item_number":"8.01","item_title":"Other Events","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"Constellation Energy disclosed the results of the PJM capacity auction for the 2028-2029 planning year, with all of the Company's power plants clearing at $325/MW across multiple zones (COMED, EMAAC, MAAC, BGE, RTO), totaling 18,875 MW. This is a material operational and commercial event affecting future capacity revenues, particularly for nuclear units whose revenues are included in the Production Tax Credit calculation. While not a specific named event type, this is clearly an operational/commercial milestone that would affect investor assessment of the registrant's revenue visibility and market position.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-14T21:24:36.762473+00:00","company_name":"CONSTELLATION ENERGY GENERATION LLC","ticker":null,"filing_date":"2026-07-14"}]}