POWER OF ATTORNEY

        KNOW ALL BY THESE PRESENTS, that each of the undersigned hereby makes,
constitutes and appoints Mehgan Peetz, Philip Garton and Jason Whitaker, signing
singly, the undersigned's true and lawful attorneys-in-fact, with full power and
authority as hereinafter described on behalf of and in the name, place and stead
of the undersigned to: (i) execute for and on behalf of the undersigned, in the
undersigned's capacity as a director, director nominee, officer or beneficial
owner of shares of common stock (the "Shares") of Shoals Technologies Group,
Inc., a Delaware corporation (the "Company"), any Schedule 13D or Schedule 13G,
and any amendments, supplements or exhibits thereto (including any joint filing
agreements) required to be filed by the undersigned under Section 13 of the
Securities  Exchange Act of 1934, as amended, and the rules and regulations
promulgated thereunder (the "Exchange Act"), and any Forms 3, 4, and  5 and any
amendments, supplements or exhibits thereto required to be filed by the
undersigned under Section 16(a) of the Exchange Act; (ii) do and perform any and
all acts for and on behalf of the undersigned which may be necessary or
desirable to complete and execute any such Schedule 13D, Schedule 13G, Form 3,
4, or 5 and timely file such forms with the United States Securities and
Exchange Commission and any stock exchange on which the Shares are then listed;
and (iii) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorneys-in- fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorneys- in-fact on behalf of
the undersigned pursuant to this Power of Attorney shall be in such form and
shall contain such terms and conditions as such attorneys-in- fact may approve
in such attorneys-in- fact's discretion.

        Each of the undersigned hereby grants to such attorneys-in-fact full
power and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorneys-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this Power of Attorney and the rights and powers herein
granted. Each of the undersigned acknowledges that the foregoing attorneys-in-
fact, in serving in such capacity at the request of the undersigned, are not
assuming, nor is the Company assuming, any of the undersigned's responsibilities
to comply with Section 13 and Section 16 of the Exchange Act.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file reports or schedules under Section 13
or Section 16 of the Exchange Act with respect to the undersigned's holdings of
and transactions in securities issued by the Company, unless earlier revoked by
the undersigned in a signed writing delivered to the foregoing attorneys-in-
fact.

                                       * * * * *

        IN WITNESS WHEREOF, each of the undersigned has caused this Power of
Attorney to be executed as of this 1st day of February, 2021.

                                        Solon Holdco I, GP

                                        By:   /s/ Dean Solon
                                              ----------------------------------
                                        Name: Dean Solon
                                        Its: Managing Partner

                                        Solon Holdco II, GP

                                        By:   /s/ Dean Solon
                                              ----------------------------------
                                        Name: Dean Solon
                                        Its: Managing Partner

                                        Solon Holdco III, LLC

                                        By:   /s/ Dean Solon
                                              ----------------------------------
                                        Name: Dean Solon
                                        Its: Manager