10-K annual report · filed Feb 27, 2026

Northwest Natural Holding Co (NWN) FY2025 10-K Annual Report

Short answer

Northwest Natural Holding Co (NWN) filed its fiscal 2025 10-K annual report with the SEC on Feb 27, 2026. It reported revenue of $1.3B (+11.8% year over year) and net income of $113M.

  • Top risk flagged: Regulatory risk Oregon HB 3179 restricts NW Natural from filing new general rate cases until Jan 2, 2027, limiting recovery of costs and financial flexibility

FY2025 key financial metrics · XBRL

Revenue
$1.3B
+11.8% YoY
Net income
$113M
+43.7% YoY
Operating margin
21.8%
+5.2 pp YoY
EPS (diluted)
$2.77
+36.5% YoY
ROE
7.7%
+2.0 pp YoY
Operating cash flow
$269M
+34.4% YoY

Source: XBRL data from the Northwest Natural Holding Co (NWN) FY2025 10-K on SEC EDGAR. USD.

Northwest Natural Holding Co FY2025 10-K analysis

AI summary of each section, grounded in the filing text

Business Overview

  • Core business model: Regulated natural gas distribution primarily in Oregon and southwest Washington through NWN Gas Utility segment
  • New emphasis on SiEnergy (Texas gas distribution and transmission) and NWN Water (regulated/unregulated water services) as distinct reportable segments starting 2025
  • Strategic repositioning with segment restructuring: NGD segment renamed NWN Gas Utility; SiEnergy and NWN Water elevated to core reporting segments
  • Service to ~810,000 gas meters with 2025 storage deliverability of 7.0 million therms/day; 60% gas supply sourced from Canada, 40% from U.S. Rockies
  • Planned 4-5 Bcf expansion at North Mist gas storage facility announced in Feb 2026, permitted Jan 2025, conditional on customer approvals

Management Discussion & Analysis

  • No share repurchases completed in Q4 2025 under $150M authorized buyback program for up to 5 million shares
  • Previous buyback program authorized 2.8 million shares or $100M; replaced by current program starting May 2024
  • No information on cash flow, dividends, capex, segments, or forward-looking guidance in provided text

Risk Factors

  • Regulatory risk Oregon HB 3179 restricts NW Natural from filing new general rate cases until Jan 2, 2027, limiting recovery of costs and financial flexibility
  • Geopolitical/macroeconomic exposure from Texas expansion: acquired SiEnergy with multiple Texas gas utilities subject to Railroad Commission regulation in 2025
  • Operational vulnerability: 4-5 Bcf North Mist gas storage expansion dependent on customer approval, permits, and timely project authorization
  • Market disruption risk: competition from electric heat pumps and alternative technologies could erode NW Natural’s natural gas customer growth
  • Financial risk: counterparty risk exposure to Jonah Energy in gas reserves arrangement, with Jonah lacking credit ratings and potential impact on cost recovery

Generated from the filing text; verify against the original. How to read a 10-K

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