{"schema_version":"secwatch.filing_event.v1","accession":"0001733998-25-000111","form_type":"8-K","ticker":"NWN","cik":"0001733998","company_name":"Northwest Natural Holding Co","filed_at":"2025-06-24T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.510692+00:00","generated_at":"2026-05-18T22:46:34.849885+00:00","sec_items":["8.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"NW Natural files stipulation for $21.3M rate hike vs originally requested $59.4M","bullets":["Stipulation reduces requested annual revenue increase from $59.4M to $21.3M, including $4.8M for updated depreciation.","Capital structure: 50% common equity, 50% long-term debt; ROE of 9.50%, overall cost of capital 7.12%.","Expected rate base of $2.234B as of Nov 1, 2025, up $144M from last rate case.","All parties except one support stipulation; OPUC approval required, rates targeted for Oct 31, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001733998-25-000111","json":"https://secwatch.observer/filing/0001733998-25-000111.json","markdown":"https://secwatch.observer/filing/0001733998-25-000111.md","text":"https://secwatch.observer/filing/0001733998-25-000111.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000111/0001733998-25-000111-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000111/nwn-20250623.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T22:46:34.849885+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"}