We consent to the incorporation by reference in the Registration Statement (Form F-3 No. 333-258395) of Atlantica Sustainable
Infrastructure plc and in the related Prospectus of our reports dated February 29, 2024, with respect to the consolidated financial statements of Atlantica Sustainable Infrastructure plc, and the effectiveness of internal control over financial
reporting of Atlantica Sustainable Infrastructure plc included in its Annual Report on Form 20-F for the year ended December 31, 2023.