---
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"
generated_at: "2026-07-31T20:12:07.969082+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# WUTC approves NW Natural multi-year rate plan with $20.1M first-year revenue increase

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001733998-26-000123
- JSON: https://secwatch.observer/filing/0001733998-26-000123.json
- Plain text: https://secwatch.observer/filing/0001733998-26-000123.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.