Getting started

  • Do I know how much electricity in KWh I use monthly and annually and its cost? 
  • Is my roof facing south, east, or west? If it’s facing north, do I have space for a ground-mounted solar system on my property? 
  • Have I identified areas of shade on my roof or property throughout the day and year? 
  • Am I considering owning the solar system or partnering with a third-party company for a power purchase agreement or lease? 

Questions for the installer

  • Could you share references from satisfied customers with similar solar setups? 
  • How many similar projects have you completed? 
  • When can the installation take place? 
  • What’s the estimated timeline for the installation work? 
  • How long will the entire project take? 
  • What warranties are included? Is both workmanship and equipment covered? 
  • Do you have experience coordinating with local building officials and utilities for projects like mine? 
  • Is there a Massachusetts-licensed electrician on your team? 
  • Will you be involving subcontractors? If so, what firms will you hire? Which aspects will they handle? 
  • Will you provide training for me on operating and maintaining the system? 
  • Do you offer financing or third-party ownership options? 
  • Do you offer homeowner solar loans through third-party financing providers? 
  • Can you assist with selling the solar energy credits my system generates? 

Purchasing and agreement

  • Do I feel confident in the installer’s knowledge and experience? 
  • Have I checked how many local installations they’ve accomplished? 
  • Are there credible references to verify their work? 
  • Does the installer have general liability insurance and workers’ compensation insurance?
  • Does the contract outline performance details, including estimated annual power production? 
  • Does the contract clearly list what’s included in the installation? 
  • Does the payment schedule protect me by allowing me to withhold payment until the system:
    • Passes local code inspections? 
    • Is approved to connect to the grid? 
    • Shows it is operating properly? 
  • Are all warranties well-defined, with instructions on how to use them? 
  • Does the installer have a Home Improvement Contractor or Construction Supervisor License, or any additional industry certification, such as OSHA 40 or NABCEP? 

After installation

  • Has the installer thoroughly tested and activated the system? 
  • Have all necessary inspections been completed? 
  • Did the installer provide user manuals, system diagrams, warranty information, and their contact details? 
  • Has the installer showed and explained the system’s parts, how to monitor it, and how to turn it on and off 
  • If I’m eligible for tax credits, have I included them when filing taxes? 
For more recommendations about solar installation, check out our Tips for Finding and Selecting a Solar Installer article.

We're In This Together

Pledge to reduce your home's carbon footprint by replacing old systems and appliances with clean energy technologies over time.

Join the Clean Energy Transformation

Let's work together to reduce greenhouse gas emissions from our homes and build a clean energy future for Massachusetts.

GO CLEAN
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Join the Clean Energy Transformation

Let's work together to reduce greenhouse gas emissions from our homes and build a clean energy future for Massachusetts.

GO CLEAN
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