EXHIBIT 32.1

CERTIFICATION

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10‑Q of Shoals Technologies Group, Inc. (the “Company”) for the quarter ended March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Jeffery Tolnar, as President and Interim Chief Executive Officer of the Company, and Dominic Bardos, as Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002, that, to the best of his knowledge:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 8, 2023

/s/ Jeffery Tolnar

Jeffery Tolnar

President, Interim Chief Executive Officer
(Principal Executive Officer)

/s/ Dominic Bardos

Dominic Bardos

Chief Financial Officer
(Principal Financial and Accounting Officer)