{"filing":{"accession_number":"0001104659-26-111420","cik":"0000100826","ticker":"UEPCO","company_name":"UNION ELECTRIC CO","form":"8-K","filing_date":"2026-09-28","report_date":"2026-09-28","primary_document":"tm2626189d1_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/100826/000110465926111420/tm2626189d1_8k.htm"},"events":[{"id":35514,"run_id":32713,"accession_number":"0001104659-26-111420","anchor_item_number":"8.01","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"Ameren Missouri filed its 2026 Integrated Resource Plan (IRP) with the Missouri Public Service Commission on September 28, 2026, outlining a comprehensive long-term energy strategy involving substantial capital investments in natural gas, renewables, battery storage, and nuclear generation, along with coal retirement plans. This is a material operational and strategic disclosure affecting the company's future capital allocation, generation mix, and regulatory standing, but does not fit the specific categories of M\u0026A, debt issuance, impairment, or other defined event types—making it an operational/strategic milestone best classified as operational_other.","company_name":"UNION ELECTRIC CO","ticker":"UEPCO","filing_date":"2026-09-28","form":"8-K","submitted_at":null,"items":[{"id":39584,"accession_number":"0001104659-26-111420","item_number":"8.01","item_title":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Ameren Missouri filed its 2026 Integrated Resource Plan (IRP) with the Missouri Public Service Commission on September 28, 2026, outlining a comprehensive long-term energy strategy involving significant capital investments in natural gas, renewables, battery storage, and nuclear generation, along with coal retirement plans. This is a material operational and strategic disclosure affecting the company's future capital allocation, generation mix, and regulatory standing, but does not fit neatly into specific categories like M\u0026A, debt issuance, or workforce reduction—making it an operational/strategic event best classified as operational_other.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-28T21:30:52.839118+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":39584,"accession_number":"0001104659-26-111420","item_number":"8.01","item_title":null,"event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Ameren Missouri filed its 2026 Integrated Resource Plan (IRP) with the Missouri Public Service Commission on September 28, 2026, outlining a comprehensive long-term energy strategy involving significant capital investments in natural gas, renewables, battery storage, and nuclear generation, along with coal retirement plans. This is a material operational and strategic disclosure affecting the company's future capital allocation, generation mix, and regulatory standing, but does not fit neatly into specific categories like M\u0026A, debt issuance, or workforce reduction—making it an operational/strategic event best classified as operational_other.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-28T21:30:52.839118+00:00","company_name":"UNION ELECTRIC CO","ticker":"UEPCO","filing_date":"2026-09-28"}]}