Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
Energy Vault Holdings, Inc
Westlake Village, CA
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated April 12, 2023, relating to the consolidated financial statements of Energy Vault Holdings, Inc., which is incorporated by reference in the Registration Statement on Form S-3 (No. 333-262720).
We also consent to the reference to us under the caption “Experts” in such Registration Statement.
/s/ BDO USA, LLP
Melville, New York
May 19, 2023