Path-Q Solar

What information should I request if an installer recommends replacing my electrical panel?

Answer

Ask the installer to explain the specific electrical limitation, show how the proposed system creates it, and identify alternatives to full panel replacement. Request an itemized scope stating whether the work is an upgrade, a replacement, or a load-management solution, and what equipment and approvals are included.

Key points

  • Request the existing panel rating, condition, available capacity, and the proposed system's electrical requirements.
  • Ask whether alternatives such as load management, different equipment, or a service modification were evaluated.
  • Confirm what is included: panel, breakers, service equipment, wiring, labor, testing, utility coordination, and restoration work.
  • Ask who will perform the work and how warranty responsibility is divided.

What it depends on

  • Existing service and panel configuration
  • Solar, battery, EV, and other planned loads
  • Physical condition and location of existing equipment
  • Applicable inspection, utility, and electrical requirements

Risks and trade-offs

  • A panel replacement can add substantial scope and cost but may improve future capacity.
  • A cheaper alternative may impose operating limits or reduce future expansion flexibility.
  • Unclear boundaries can lead to change orders or disputes over service-related work.

Information you may need

  • Photos and rating information for the existing equipment
  • Installer's load or capacity analysis
  • Itemized alternatives and prices
  • Written responsibility for permits, inspections, utility work, and repairs

Your next step

What to do next

Request a written technical justification and an itemized comparison of panel replacement versus feasible alternatives.

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SQ02055