Before applying for an automated solar plan review and solar permit, projects must follow certain requirements. At this time, SolarAPP+ is designed to provide a code-compliance check for the majority of residential, roof-mounted photovoltaic systems. To see which systems are eligible, please refer to the https://solarapp.nrel.gov/docs/SolarAPP-PV-Eligibility.pdf and Eligibility Checklists. Only projects that conform to this lists are eligible to use the automated SolarAPP+ portal for instant permitting.