{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-076557","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2024-07-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.836607+00:00","generated_at":"2026-05-31T23:53:03.133155+00:00","sec_items":["8.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Ameren Missouri files $446M electric rate increase request with Missouri PSC","bullets":["Requests $446M annual revenue increase; proposes 10.25% ROE, 52% equity, $14B rate base.","Test year ended March 31, 2024; rate case includes pro-forma adjustments through Dec 31, 2024.","Investments driven by Smart Energy Plan, 500 MW solar (Boomtown, Cass County, Huck Finn), and Callaway nuclear.","Planned retirement of Rush Island Energy Center; Sioux Energy Center retirement extended from 2030 to 2032.","MoPSC decision expected by May 2025; new rates effective June 2025 if approved."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-076557","json":"https://secwatch.observer/filing/0001104659-24-076557.json","markdown":"https://secwatch.observer/filing/0001104659-24-076557.md","text":"https://secwatch.observer/filing/0001104659-24-076557.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465924076557/0001104659-24-076557-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/100826/000110465924076557/tm2418583d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T23:53:03.133155+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}