Exhibit 23.1

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Consent of Independent Registered Public Accounting Firm

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We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-284673), Form S-3 (No. 333-283308), Form S-8 (No. (333-218043) and Form S-8 (No. 333-276682) of Solaris Energy Infrastructure, Inc. (the Company) of our reports dated March 5, 2025, relating to the consolidated financial statements, and the effectiveness of the Company’s internal control over financial reporting, which appear in this Annual Report on Form 10-K.

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/s/ BDO USA, P.C.

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Houston, Texas

March 5, 2025