{"schema_version":"secwatch.filing_event.v1","accession":"0001466593-24-000064","form_type":"8-K","ticker":"OTTR","cik":"0001466593","company_name":"Otter Tail Corp","filed_at":"2024-04-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:18.514908+00:00","generated_at":"2026-06-04T01:45:43.348677+00:00","sec_items":["8.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Otter Tail subsidiary reaches settlement on IRP with 200-300 MW solar and 150-200 MW wind additions","bullets":["Settlement recommends MPUC approve 200-300 MW solar by Nov 2027 and 150-200 MW wind by Dec 2029 for Minnesota customers.","Proposes operating Coyote Station coal plant as AME resource from March 2026, with costs borne by Minnesota customers.","Authorizes OTP to begin withdrawing from Minnesota share of Coyote Station if material non-routine capital required.","File next Minnesota resource plan by May 2026, assuming withdrawal from Coyote Station by Dec 2031.","Settlement not yet approved by MPUC; other parties have not joined."],"urls":{"canonical":"https://secwatch.observer/filing/0001466593-24-000064","json":"https://secwatch.observer/filing/0001466593-24-000064.json","markdown":"https://secwatch.observer/filing/0001466593-24-000064.md","text":"https://secwatch.observer/filing/0001466593-24-000064.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1466593/000146659324000064/0001466593-24-000064-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1466593/000146659324000064/ottr-20240402.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T01:45:43.348677+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"}