Northwest Pipeline 10-K 2024 FY Annual report

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

(1)Registration Statements (Form S-3 Nos. 333-29185 and 333-277232) of The Williams Companies, Inc.,

(2)    Registration Statement (Form S-8 No. 333-03957) pertaining to The Williams Companies, Inc. 1996 Stock Plan for Non-Employee Directors,

(3)    Registration Statement (Form S-8 No. 333-85542) pertaining to The Williams Investment Plus Plan,

(4)    Registration Statement (Form S-8 No. 333-85546) pertaining to The Williams Companies, Inc. 2002 Incentive Plan,

(5)    Registration Statement (Form S-8 No. 333-142985) pertaining to The Williams Companies, Inc. 2007 Employee Stock Purchase Plan and The Williams Companies, Inc. 2007 Incentive Plan,

(6)    Registration Statement (Form S-8 No. 333-167123) pertaining to The Williams Companies, Inc. 2007 Incentive Plan, and

(7)    Registration Statement (Form S-8 No. 333-198050) pertaining to The Williams Companies, Inc. 2007 Incentive Plan and The Williams Companies, Inc. 2007 Employee Stock Purchase Plan;

of our reports dated February 25, 2025, with respect to the consolidated financial statements and the effectiveness of internal control over financial reporting of The Williams Companies, Inc., incorporated by reference in this Annual Report (Form 10-K) for the year ended December 31, 2024 and the financial statement schedule of The Williams Companies, Inc. included herein.

/s/ Ernst & Young LLP

Tulsa, Oklahoma
February 25, 2025