{"schema_version":"secwatch.filing_event.v1","accession":"0001733998-23-000085","form_type":"8-K","ticker":"NWN","cik":"0001733998","company_name":"Northwest Natural Holding Co","filed_at":"2023-12-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:30.256458+00:00","generated_at":"2026-06-07T05:57:21.543824+00:00","sec_items":["8.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"NW Natural files $154.9M Oregon rate increase request; new rates target Nov 2024","bullets":["Requested annual revenue increase of $154.9M based on 10.1% ROE, 50% equity capital structure, and $2.14B average rate base.","Rate base increase of $381M vs. last case for distribution system reinforcement, IT/cybersecurity upgrades, and gas storage investments.","Oregon PUC review expected to take up to 10 months; new rates effective November 1, 2024, if approved.","Filing addresses inflation, updated depreciation study, and long-planned capital investments by NW Natural."],"urls":{"canonical":"https://secwatch.observer/filing/0001733998-23-000085","json":"https://secwatch.observer/filing/0001733998-23-000085.json","markdown":"https://secwatch.observer/filing/0001733998-23-000085.md","text":"https://secwatch.observer/filing/0001733998-23-000085.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1733998/000173399823000085/0001733998-23-000085-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/73020/000173399823000085/nwn-20231229.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T05:57:21.543824+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"}