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Rooftop solar installation & interconnecting with the PUD

All rooftop solar needs to follow PUD guidelines for interconnection and net metering. This applies both to customers working with solar contractors, as well as DIYers installing their own PV systems. If you have any questions, contact the PUD Energy Hotline at 425-783-1700.

Here’s how it works:

  1. Submit an Interconnection Application and a Net Metering agreement
  2. Your project submission is reviewed and may take up to 2 weeks for approval, depending on the size of the solar installation. If your solar application is acceptable, the PUD will issue an “Approval to Construct” via email for your project.  A solar application fee will be assessed and due prior to the completion of your solar project.
  3. Proceed with the solar installation, following all PUD solar installation electrical service requirements (see Section 6, Generation Interconnection, of our Electrical Service Requirements), local codes and permitting requirements
  4. After your electrical permit has been finalized, submit the Notice of Completion and all required documentation
  5. The PUD will install a net meter within 1 to 2 weeks of receiving the Notice of Completion
  6. The PUD will execute your Net Metering agreement

If you plan on working with a solar contractor to install your PV system, we recommend first getting their assessment to determine if your home or business is a good candidate for solar, then getting at least two project bids.


Selecting an installer

Getting a PV system installed at your home or business is a huge commitment. When choosing a contractor/installer, consider the following:

  • How much and what type of solar experience do they have?
  • What references do they provide?
  • What types of warranties and maintenance agreements do they offer?
  • Do they work with specific suppliers or components that are important to you?
  • Once you have the bid(s) be sure that they are all based on similar system and design criteria.

For detailed helpful solar installer selection tips as well as information about misleading claims about solar installation, click here.