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DIY Solar Permitting Info

Before you can begin to install your solar system, you’ll need to obtain permits from your local AHJ (Authorities Having Jurisdiction) to approve the system is designed, built and connected according to local code.

Building and electrical codes vary depending on where you live, and your AHJ is the organization responsible for enforcing local code and distributing permits. You may work with multiple AHJs to obtain two different types of permits:

  • Building permit (from your city/county planning department)
  • Interconnection permit (from your utility company - for grid-tie systems only)

To start the process of filing for your permit, check the website for your utility and building department for a copy of their requirements. They will be able to direct you to the local office(s) in charge of handling permits in your area.

Filing for a solar permit requires you to provide some basic information about your system, like:

  • Product specifications
  • Electrical wiring diagram
  • Engineering certification and detailed specifications for your mounting hardware
  • Location and configuration of solar array, service panel(s) and utility electrical meter

How to file your solar permit

Most of this information is provided during our design consultation process, and many of our customers choose to put together their own plan sets. However, there is a lot of information to collect and some AHJs are tricky to navigate, and some people choose to skip the headaches and enlist a third-party permitting service to assemble their permit package.

If you would like assistance filing your permit, the following companies can take care of you for a modest fee. Please be sure to consult with one of our design specialists to finalize your system requirements before contacting any third-party permitting services:

When To File Your Solar Permit

Permitting is often the most time-consuming part of going solar. It should take a couple of days, but depending on how fast your local AHJ works, we’ve seen it stretch out to a few weeks or longer.

For that reason, we recommend filing for your permit as early as possible. When you work with our design team, we can provide a line-item quote listing the components in your system.

We also provide an in-house service which provides the electrical wiring diagram needed to file your permit for a small cost.

Sample Solar Plan Set + Additional Resources

Need more permitting guidance? Download your free solar permitting guide for a step-by-step walkthrough of the process.

Not sure what goes into the permit package? Check out the sample permit plan sets below.

Gemini Solar Design sample plan sets:

http://www.geminisolardesign.com

Solar Permit Services sample plan sets:

https://www.solarpermitservices.com/projects.html