NORTHWEST PIPELINE LLC

For the period ended Sep 30, 2025. Filed Nov 3, 2025.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 3, 2025

WMB$67.46+1.5%Stored close · as of Nov 10, 2026

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Contents

Balance Sheets – September 30, 2025 and December 31, 2024

Balance Sheet

	September 30,	December 31,
	2025	2024
(Millions)
ASSETS
Current assets:
Cash and cash equivalents	$—	$—
Trade accounts and other receivables:
Advances to affiliate	498	638
Trade	272	250
Affiliates	7	24
Other	18	12
Inventories	87	81
Regulatory assets	121	74
Other current assets and deferred charges	19	24
Total current assets	1,022	1,103
Property, plant and equipment	20,650	20,044
Accumulated depreciation and amortization	(6,299)	(5,941)
Property, plant, and equipment – net	14,351	14,103
Regulatory assets	269	320
Deferred charges and other	478	405
Total assets	$16,120	$15,931
LIABILITIES AND MEMBER’S EQUITY
Current liabilities:
Payables:
Trade	$224	$258
Affiliates	48	55
Regulatory liabilities	80	58
Accrued Interest	50	76
Taxes, other than income taxes	61	27
Reserve for rate matters	123	—
Other current liabilities	93	78
Asset retirement obligations	42	22
Long-term debt due within one year	1,044	35
Total current liabilities	1,765	609
Long-term debt	4,170	5,200
Regulatory liabilities	920	976
Asset retirement obligations	568	593
Deferred income and other	254	248
Contingent liabilities and commitments (Note 10)
Member’s equity:
Member’s capital	5,088	5,088
Retained earnings	3,355	3,217
Total member’s equity	8,443	8,305
Total liabilities and member’s equity	$16,120	$15,931

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.