You are choosing a company that needs to still answer the phone in year eight. These questions get at that.
The list
1. Are your installation crews employees or subcontractors? 2. What is your CSLB license number? 3. Who handles the permit and utility interconnection? 4. What exactly does your workmanship coverage include? 5. Which financing partners do you work with, and can I see more than one structure?
6. What is the cash price and the financed price? 7. Who services the system after installation? 8. What is your process if production drops? 9. Can I see local projects and reviews? 10. What is not included in this proposal?
Solar production, bill offset and payment comparisons vary by home, usage, roof, shading, utility rate schedule and financing terms. Nothing on this site is a guarantee of savings. Pricing comparisons depend on system size, equipment, financing structure and contract terms. Any comparison is only meaningful between comparable systems and comparable financing.