Choosing the Right Solar Installer in California: 7 Essential Questions

Navigating the California Solar Landscape

Transitioning to solar power in California is a smart move, especially with rising electricity rates from utilities like PG&E, SCE, and SDG&E. However, the quality of your installation is just as important as the equipment itself. With so many contractors operating in the Golden State, how do you find one that is reliable, honest, and technically proficient?

Here are seven essential questions to ask before you sign any contract.

1. Are You CSLB Licensed and Properly Insured?

In California, solar contractors must hold a C-46 (Solar) or C-10 (Electrical) license from the Contractors State License Board (CSLB). Never work with a company that cannot provide their license number, which you should verify on the CSLB website. Ensure they carry both general liability and workers' compensation insurance to protect your property and their staff.

2. What Is Your Experience with NEM 3.0?

California’s Net Energy Metering (NEM) 3.0 policy has significantly changed how solar homeowners are compensated for excess energy. A reputable installer should be an expert in how to maximize savings under these new rules, primarily through the integration of home battery storage systems. Ask them, "How will your proposed system design mitigate the impact of lower export rates under NEM 3.0?"

3. Do You Provide a Comprehensive Warranty?

Solar systems are long-term investments. A reliable installer should offer:

• Workmanship Warranty: Usually 5-10 years, covering roof penetrations and general installation quality.
• Equipment Warranty: Manufacturers typically provide 25 years for panels and inverters.
• Performance Guarantee: A promise that your system will produce a certain amount of energy.

4. Can You Provide Local References?

Ask for a list of three customers within your specific utility territory who have had their system installed in the last 18 months. Reach out to them and ask: Was the installation completed on time? How is the system performing compared to the initial estimate? Did the company handle the permitting process smoothly?

5. What Is Your Permitting and Inspection Process?

In California, solar installations require a building permit from your local city or county and a final inspection from the Authority Having Jurisdiction (AHJ). A professional installer should handle the entire permitting paperwork, coordination, and inspection scheduling as part of their service. If they ask you to manage the permits, look elsewhere.

6. Do You Outsource Installation Work?

Many solar companies act as lead generators and subcontract the actual physical installation to third-party crews. While this isn't always a red flag, you need to know who is going to be on your roof. If they use subcontractors, ask what vetting processes they have in place to ensure quality control.

7. How Does Your Financial Projections Account for Rate Hikes?

Utility rates in California continue to rise. A transparent installer will provide a breakdown of projected savings based on conservative utility inflation rates, not inflated "best-case scenarios." Ensure their proposal uses accurate data regarding your current usage and your utility’s specific Time-of-Use (TOU) rates.

Final Thoughts

Selecting a solar installer is a decision that affects your home for decades. Take your time, get at least three quotes, and ensure you feel comfortable with the company’s communication style.

Ready to see what solar could look like for your home? Use the Apollo Solar Program Free Solar Savings Calculator to get an unbiased estimate of your potential savings today.