Exhibit 15.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in Registration Statement Nos. 333-262098, 333-255051-01, 333-249031, 333-235653, 333-232256 and 333-167860 on Form F-3 of our reports datedMarch 9, 2022 relating to the financial statements of Brookfield Infrastructure Partners L.P. (the “Partnership”) and the effectiveness of the Partnership’s internal control over financial reporting appearing in this Annual Report on Form 20-F for the year ended December 31, 2021.

/s/ Deloitte LLP

Chartered Professional Accountants

Licensed Public Accountants

Toronto, Canada

March 9, 2022