Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Algonquin Power & Utilities Corp. Director Deferred Share Unit Plan of our reports dated March 10, 2016, 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 (Form 40-F) for the year ended December 31, 2015, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Chartered Professional Accountants

Licensed Public Accountants

Toronto, Ontario

September 15, 2016