# NORTHWEST NATURAL GAS CO

NORTHWEST NATURAL GAS CO is a company headquartered in Portland, OR, United States.

## Company overview

- **Legal name:** NORTHWEST NATURAL GAS CO
- **Classification:** Company
- **Industry (SIC):** 4924 — Natural Gas Distribution
- **Headquarters:** Portland, OR, United States
- **Incorporated in:** OR
- **Fiscal year end:** December 31
- **SEC CIK:** 0000073020

## About

NORTHWEST NATURAL GAS CO is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000073020, and its reported industry is Natural Gas Distribution. In 10-K filed on 2018-02-23, it reported annual revenue of USD 762,173,000; net income of USD -55,623,000; total assets of USD 3,039,746,000 for the fiscal period ended 2017-12-31. The financial history preserves reporting periods, currencies, filing accessions and source provenance. Figures are reported filing data, rather than real-time estimates.

## Financials

Annual figures as originally reported. Currency is shown for each fiscal year; B means billion and M means million.

### FY2017 (period ended 2017-12-31)

- **Revenue:** $762.2M (USD 762,173,000)
- **Net income:** -$55.6M (USD -55,623,000)
- **Total assets:** $3.0B (USD 3,039,746,000)
- **Cash and equivalents:** $3.5M (USD 3,472,000)
- **Later filings:** Revenue: shown as originally filed; later filings report different values for the same periods.

### FY2016 (period ended 2016-12-31)

- **Revenue:** $676.0M (USD 675,967,000)
- **Net income:** $58.9M (USD 58,895,000)
- **Total assets:** $3.1B (USD 3,079,801,000)
- **Cash and equivalents:** $3.5M (USD 3,521,000)
- **Later filings:** Revenue: shown as originally filed; later filings report different values for the same periods.

### FY2015 (period ended 2015-12-31)

- **Revenue:** $723.8M (USD 723,791,000)
- **Net income:** $53.7M (USD 53,703,000)
- **Total assets:** $3.1B (USD 3,076,692,000)
- **Cash and equivalents:** $4.2M (USD 4,211,000)
- **Later filings:** Revenue, Total assets: shown as originally filed; later filings report different values for the same periods.

### FY2014 (period ended 2014-12-31)

- **Revenue:** $754.0M (USD 754,037,000)
- **Net income:** $58.7M (USD 58,692,000)
- **Total assets:** $3.1B (USD 3,064,945,000)
- **Cash and equivalents:** $9.5M (USD 9,534,000)
- **Operating cash flow:** $215.7M (USD 215,657,000)
- **Later filings:** Total assets: shown as originally filed; later filings report different values for the same periods.

## Recent SEC filings

- Form 8-K — filed 2026-09-03 — period 2026-09-03 — 8-K
- Form 10-Q — filed 2026-08-05 — period 2026-06-30 — 10-Q
- Form 8-K — filed 2026-08-05 — period 2026-08-05 — 8-K
- Form 8-K — filed 2026-07-31 — period 2026-07-29 — 8-K
- Form 10-Q — filed 2026-05-06 — period 2026-03-31 — 10-Q
- Form 8-K — filed 2026-05-06 — period 2026-05-06 — 8-K
- Form 8-K — filed 2026-03-24 — period 2026-03-23 — 8-K
- Form 10-K — filed 2026-02-27 — period 2025-12-31 — 10-K
- Form 8-K — filed 2026-02-27 — period 2026-02-27 — 8-K
- Form 8-K — filed 2025-12-16 — period 2025-12-16 — 8-K
- Form 8-K — filed 2025-12-15 — period 2025-12-11 — 8-K
- Form 10-Q — filed 2025-11-05 — period 2025-09-30 — 10-Q

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Updated: 2026-10-23T20:12:17Z

Canonical page: https://altss.com/profile/northwest-natural-gas-co

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