Soluna (SLNH) S-1/AIPO registration (amended)

Exhibit 23.1

WOJESKI & COMPANY CPAs, P.C.  159 Wolf Road, Albany, New York 12205 | Phone 518-477-1102 | Fax 518-477-1302 | www.wojeskico.com

Independent Registered Public Accounting Firm’s Consent 

We consent to the inclusion in this Registration Statement of Mechanical Technology, Incorporated on Amendment No.3 to Form S-1 (File No. 333-257300) of our report dated March 30, 2021, with respect to our audits of the consolidated financial statements of Mechanical Technology, Incorporated as of December 31, 2020 and 2019 and for each of the two years in the period ended December 31, 2020, which report appears in the Prospectus, which is part of this Registration Statement. We also consent to the reference to our Firm under the heading “Experts” in such Prospectus.