A solar panel mounting assembly including a cap that includes a secure-side wing, a catch-side wing, and an integral vertical leg that protrudes downwardly from the catch-side wing. The vertical leg is integral with the catch-side wing and has a top end and a bottom end. A plurality of inwardly facing corrugations are disposed at the bottom end of the vertical leg. The solar panel mounting assembly further includes a base that includes a secure-side support surface, a tilted spring support ledge on a catch-side, and a plurality of outwardly-facing corrugations disposed on an upper horizontal portion of the base. An inwardly-facing corrugation of the vertical leg contacts and engages an outwardly-facing corrugation on the upper horizontal portion of the base, and the base is vertically adjustable with respect to the cap.