Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in this Registration Statement on Form S-8 pertaining to the Algonquin Power & Utilities Corp. Employee Share Purchase Plan of our reports dated March 7, 2025, with respect to the consolidated financial statements of Algonquin Power & Utilities Corp. and the effectiveness of internal control over financial reporting of Algonquin Power & Utilities Corp. included in its Annual Report on Form 40-F for the year ended December 31, 2024, filed with the U.S. Securities and Exchange Commission.

/s/ Ernst & Young LLP

Chartered Professional Accountants

Licensed Public Accountants

Toronto, Canada

August 15, 2025