{"schema_version":"secwatch.filing_event.v1","accession":"0001733998-26-000123","form_type":"8-K","ticker":"NWN","cik":"0001733998","company_name":"Northwest Natural Holding Co","filed_at":"2026-07-31T20:11:24+00:00","discovered_at":"2026-07-31T20:12:01.738140+00:00","generated_at":"2026-07-31T20:12:07.969082+00:00","sec_items":["8.01"],"event_type":"regulatory","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"WUTC approves NW Natural multi-year rate plan with $20.1M first-year revenue increase","bullets":["WUTC order approves settlement; revenue increases of $20.1M (Year 1), $7.5M (Year 2), $7.4M (Year 3) starting Aug 2026.","Authorized ROE of 9.5% and 50% equity capital structure; average rate base of $328M in Year 1.","Order preserves NW Natural's line extension allowance in Washington, resolving the litigated issue.","New rates effective August 1, 2026; plant placed after March 31, 2025 subject to review and refund."],"urls":{"canonical":"https://secwatch.observer/filing/0001733998-26-000123","json":"https://secwatch.observer/filing/0001733998-26-000123.json","markdown":"https://secwatch.observer/filing/0001733998-26-000123.md","text":"https://secwatch.observer/filing/0001733998-26-000123.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1733998/000173399826000123/0001733998-26-000123-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/73020/000173399826000123/nwn-20260729.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-31T20:12:07.969082+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"}