What types of systems are eligible for SolarAPP+ review?

SolarAPP+ is designed to perform code-compliance checks for detached one- and two-family dwellings, as well as townhomes up to three stories in height that have a separate means of egress and an individual utility production meter. Accessory structures and accessory dwelling units (ADUs) may also be permitted through SolarAPP+, provided they do not exceed three stories above grade plane.


To see which systems are eligible, please refer to the following Eligibility Checklist;

  • PV (Solar Electric Systems)
  • PV+ST (Solar Electric and Energy Storage Systems)

SolarAPP+ Eligibility Electrical Characteristics:

  • Service rating of ≤ 400A;
  • Service disconnects and busbars rated ≤ 225A;
  • Systems ≤ 38.4 kW provided they meet certain installation characteristics;
  • ≤ 20 kwh limit for an individual battery;
  • 80 kwh ESS aggregate capacity depending on the location the batteries are installed.

Systems that are currently not within the scope of SolarAPP+ include:

  • Systems installed by Homeowners;
  • Ground-mounted solar energy systems;
  • Multi-Family solar energy systems;
  • Commercial solar energy systems;
  • Community and utility-scaled solar energy systems;
  • Ballasted solar energy systems.

  • Live/work units in townhomes that comply with Section 508.5 of the International Building Code;
  • Owner-occupied lodging houses with five or fewer guestrooms;
  • Care facilities with five or fewer persons receiving custodial and/or medical care within a dwelling;
  • Care facilities with five or fewer persons receiving care within a single-family dwelling;
  • Townhome with penetrations within 4 feet of the fire-rated property line on the roof;
  • Multi-family structures, R-2 occupancies, and mobile homes governed by the Health and Safety Code and/or Housing and Urban Development regulations.

If a project is outside of the scope of SolarAPP+, the project will have to be submitted through the jurisdiction's traditional permitting process.

Did this answer your question? Thanks for the feedback There was a problem submitting your feedback. Please try again later.

Still need help? Contact Us Contact Us