{"schema_version":"secwatch.filing_event.v1","accession":"0001466593-23-000165","form_type":"8-K","ticker":"OTTR","cik":"0001466593","company_name":"Otter Tail Corp","filed_at":"2023-12-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.146557+00:00","generated_at":"2026-06-07T08:57:53.205212+00:00","sec_items":["8.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Otter Tail Power proposes bifurcated resource plan, Coyote Station as emergency resource by 2029","bullets":["Otter Tail Power submitted a supplemental IRP to the MN PUC proposing bifurcated resource planning between Minnesota and other jurisdictions.","Preferred Minnesota plan includes repowering four wind facilities in 2025, adding ~200 MW solar in 2025 and ~150 MW wind in 2026/2032.","Requests designation of Coyote Station coal plant as Available Maximum Emergency Resource from 2029; OTP may withdraw if major non-routine capital needed.","New plan adjusts timing and amount of renewable additions vs. March 2023 filing; MPUC hearing scheduled for January 4, 2024.","Bifurcated planning would serve Minnesota with dedicated resources, diverging from historical integrated approach; future filings for ND and SD planned."],"urls":{"canonical":"https://secwatch.observer/filing/0001466593-23-000165","json":"https://secwatch.observer/filing/0001466593-23-000165.json","markdown":"https://secwatch.observer/filing/0001466593-23-000165.md","text":"https://secwatch.observer/filing/0001466593-23-000165.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1466593/000146659323000165/0001466593-23-000165-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1466593/000146659323000165/ottr-20231215.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T08:57:53.205212+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"}