Path-Q Solar

What should I inspect when buying a home that already has solar panels?

Answer

Verify who owns the system, whether it is paid off or contractually obligated, its condition and production history, the roof condition, warranties, permits, utility interconnection, and any transfer requirements. Treat the solar system as both equipment and a potential ongoing financial obligation.

Key points

  • Obtain the purchase agreement, lease or service contract, warranties, invoices, permits, and inspection records.
  • Compare recent production with the system's original estimate while accounting for weather and changes in shading or household use.
  • Inspect panels, wiring, inverters, mounting, roof penetrations, batteries, and monitoring through qualified professionals.

What it depends on

  • System ownership and financing structure
  • Age, equipment condition, and maintenance history
  • Roof age and remaining useful life
  • Transfer, warranty, insurance, utility, and permit requirements

Risks and trade-offs

  • Assuming a contract can affect affordability and mortgage approval.
  • An older roof may require solar removal and reinstallation soon.
  • Unpermitted work, inaccessible warranties, or poor production can create repair costs.

Information you may need

  • Complete solar and financing documents
  • Production data and utility bills
  • Roof and electrical inspection results
  • Permit, interconnection, insurance, and warranty records

Your next step

What to do next

Make solar-document review and a qualified roof/electrical/system inspection conditions of the purchase decision, and obtain written confirmation of any contract transfer.

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