Solar final inspection is the official on-site review that confirms a solar system was installed exactly as permitted, safely, and in full compliance with code. Passing this step is required before the system can be turned on permanently.
Inspector reviews the approved permit set
Confirms the installation matches the engineered drawings
Checks system size, layout, and equipment models
Verifies proper roof attachments or ground foundations
Confirms flashing and waterproofing
Checks racking, spacing, and setbacks
Reviews inverter, disconnects, and breaker sizing
Confirms correct wire types, conduit, and terminations
Verifies grounding, bonding, and overcurrent protection
Tests rapid shutdown functionality (if required)
Confirms all NEC-required labels and placards are installed
Verifies clear access to disconnects
Ensures firefighter and emergency markings are visible
May confirm voltage readings and basic operation
Verifies monitoring equipment is installed
Ensures the system is safe to energize
Pass: The AHJ signs off on the permit
Corrections (if any): Installer fixes issues and schedules a reinspection
Once passed, documentation is sent to the utility for Permission to Operate (PTO)
It’s legally required before system activation
Protects homeowner, utility, and first responder safety
Confirms code compliance and workmanship quality
Unlocks the final step: PTO and system turn-on
Solar final inspection is the last checkpoint—a professional confirms the system was built right, is safe, and is ready to go live.