Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of Ormat Technologies, Inc. of our report dated March 16, 2018 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in Ormat Technologies, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2017.

/s/ PricewaterhouseCoopers LLP

San Francisco, CA

May 8, 2018