Solar FAQs



Making an energy efficiency investment in your home is an important decision that should be made with careful thought and consideration. Below are some questions frequently asked by customers interested in going solar. Should you have any additional questions please contact IID's Office of Distribution Interconnection at 1-760-482-3439.

Expand/Contract Questions and Answers

  • How much does a solar system cost?

  • Is solar free?

  • How will a rooftop solar system impact my monthly energy bill?

  • What are the different financing options?

  • A solar contractor came to my door and said they work with IID, is that true?

  • Which solar electric contractor should I use?

  • What size of system should I install?

  • How does IID track my solar activity?

  • What is an Interconnection Agreement and how do I get one?