{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-026367","form_type":"8-K","ticker":"TLN","cik":"0001622536","company_name":"Talen Energy Corp","filed_at":"2025-05-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.093404+00:00","generated_at":"2026-05-21T01:44:13.164270+00:00","sec_items":["7.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Talen extends Susquehanna Unit 2 outage to June; cost estimate rises to $35M","bullets":["Planned refueling outage on Unit 2 now expected to finish first week of June, extended from mid-May.","Incremental maintenance cost increased from ~$20M to ~$35M due to rework in extraction steam system.","CEO says efficiency gains from improved asset performance will recoup added costs in roughly two years.","2025 financial guidance remains unchanged despite outage delay and higher expenses."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-026367","json":"https://secwatch.observer/filing/0001628280-25-026367.json","markdown":"https://secwatch.observer/filing/0001628280-25-026367.md","text":"https://secwatch.observer/filing/0001628280-25-026367.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1622536/000162828025026367/0001628280-25-026367-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1622536/000162828025026367/tln-20250519.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T01:44:13.164270+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"}