Thoughts on this design?

Open to suggestions... But the permit just passed, not sure if changes would affect schedule.

21 — JKM425N-54HL4-B (425 watt modules) 07 — TESLA 1879359-00-X (RSD Modules) 01 — Iron Ridge Low Profile Racking 01 — TESLA 1707000-XX-Y (PWR Wall 3) 01 — Tesla Back-Up Gateway 3 - Whole Home Back-up Interface