{"schema_version":"secwatch.filing_event.v1","accession":"0001733998-26-000145","form_type":"8-K","ticker":"NWN","cik":"0001733998","company_name":"Northwest Natural Holding Co","filed_at":"2026-09-22T23:28:48+00:00","discovered_at":"2026-09-23T10:05:06.649382+00:00","generated_at":"2026-09-23T10:05:59.396544+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"SiEnergy reaches Texas rate case settlement for $8.6M revenue increase","bullets":["Settlement filed with Texas RRC on Sept 22; provides $8.6M annual revenue increase vs $12.0M requested.","Capital structure set at 59.75% equity / 40.25% debt; ROE 9.8%; overall cost of capital 8.0%.","Combined rate base $343M, up $177M since 2023; consolidation of SiEnergy Gas, Pines Gas, Pines Development.","If approved, new rates expected November 2026; GRIP interim adjustment factors established.","RRC approval still required; order may approve, modify, or deny the stipulation."],"urls":{"canonical":"https://secwatch.observer/filing/0001733998-26-000145","json":"https://secwatch.observer/filing/0001733998-26-000145.json","markdown":"https://secwatch.observer/filing/0001733998-26-000145.md","text":"https://secwatch.observer/filing/0001733998-26-000145.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1733998/000173399826000145/0001733998-26-000145-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1733998/000173399826000145/nwn-20260922.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-23T10:05:59.396544+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"}