Questions to Ask a Potential Solar Installer

Site Location

  • Is my home/business appropriate for solar?
  • Are there any issues?  What are they?  Will they impact performance of the system?
  • Are there changes or upgrades to the roof you recommend before the solar array is installed?

Solar System

  • What system size do I need?
  • What is the expected energy output?  How does it compare to my historical needs?
  • What is the cost of the system?  What is the cost breakdown of major items?
  • What is the cost of the system on an installed per watt basis?

Certification and Warranties

  • Do the products you are installing have UL, IEEE or IEC certification?
  • Which major manufacturers/equipment do you use 
  • What is the warranty on the solar panels and the inverter?

Installer Team

  • Who is installing the system?  Are they certified?  What are the license numbers?
  • How long will the team be onsite?
  • What insurance cover do you have for your installers?
  • Provide references - what other solar homes in the area have you installed?

Utility Programs

  • What solar programs are available in the area?
  • How is grid connection and metering handled?
  • What rebates exist and how are they collected?  Who will collect them?

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