Consent of Independent Registered Public

Accounting Firm

We have issued our reports dated February 23, 2017, with respect to the consolidated financial

statements and internal control over financial reporting included in the Annual Report of

Advanced Energy Industries, Inc. on Form 10-K for the year ended December 31, 2016. We

consent to the incorporation by reference of said reports in the Registration Statements of

Advanced Energy Industries, Inc. on Forms S-8 (File No. 333-152865 and File No. 333-

167741).

/s/ GRANT THORNTON LLP

Denver, CO

November 6, 2017