The Building Division is excited to announce that licensed contractors are now able to streamline the permitting process of residential rooftop solar projects via SolarAPP+ in the City of Atwater. SolarAPP+, short for Solar Automated Permit Processing, is an online web portal that automates the plan review and process for issuing permits to licensed contractors, to install code-compliant residential photovoltaic (PV) systems.
Before applying for an automated solar plan review and solar permit, projects must follow certain requirements, please refer to the SolarAPP+ Eligibility Checklist to see which systems are eligible. Only projects that conform to this list are eligible to use the automated SolarAPP+ portal for instant permitting.
Below is an overview of the process:
- Submit for Automated Review Through SolarAPP+
- Once you submitt to SolarAPP+ and receive their and make their payment, you will be redirected to the City’s permit portal Cloudpermit, where you will apply for a Solar Building Permit and upload the approved documentation and provide the approval ID number issued by SolarAPP+.
- All main panel upgrades require a separate application, permit and fees. Only Electrical C-10 licensed contractors may obtain panel upgrade permits.
- Once the City’s review of the applications is complete, you will be receive notification of payment due.
- Once the payment is received, the City will issue the solar permit, via Cloudpermit and you will be ready to commence work.

Eligibility to use SolarAPP+
- For a full list of requirements, please click here.
- Main Dwelling Rooftop, Permitted, Residential structures only.
- No Ballasted Systems.
- Must be a licensed contractor and registered with SolarAPP+
- Permit Runners are not allowed to request SolarAPP+ permits.
1. Submit for Automated Review Through SolarAPP+
- Submit your design to solarapp.nrel.gov
- Click Login or Register to get started.
- Have Contractors license information available to complete this step.
- A $25 processing fee will be charged by the SolarAPP+ website.
- Click here for a demonstration on SolarAPP+
2. Apply for City of Atwater Solar Permit
- Create an account and/or log in to Cloudpermit
- Click here for instructions on “How to Submit a Solar Permit Application.”
- Click here for Instructions on “How to Submit a Permit Application for a Main Panel Upgrade.”
4. Inspections
- SolarAPP+ inspections shall be scheduled through Cloudpermit.
- Click here for instructions on “How to Schedule an Inspection.”
- Field solar representative shall verify that all of the work performed conforms to the approved SolarAPP+ checklist and documents, prior to requesting an inspection.
- Click here for instructions on “How to Cancel an Inspection.”
5. Revisions
- Submit your revision through SolarAPP+ first.
- You will be provided with a revised SolarAPP+ Approval Document.
- The initial processing fee charged by the SolarAPP+ website covers up to three revisions.
- Log in to Cloudpermit
- Click here for instructions on “How to Submit a Revision.”
- If the scope of the revision makes the project ineligible for use of SolarAPP+, please call the Building Division to coordinate the revision submittal process at (209) 357-6343.
FAQ’s – SolarAPP+ Residential Permits
