Path-Q Solar

How should change orders be handled in a solar installation contract?

Answer

Change orders should be written, itemized, dated, and approved by the homeowner before the changed work begins. They should describe the reason, revised scope, price, schedule impact, equipment changes, warranty effect, and any impact on permits, inspections, financing, or expected production.

Key points

  • The contract should distinguish genuine unforeseen conditions from work already included in the original scope.
  • No verbal approval should be treated as sufficient for material changes.
  • The installer should explain alternatives where a change is needed, such as roof repairs or electrical upgrades.
  • The final contract package should include every approved change order and the resulting system design.

What it depends on

  • The original scope and exclusions
  • Site conditions discovered during engineering or construction
  • Contract notice, pricing, and dispute provisions

Risks and trade-offs

  • Uncontrolled changes can increase cost, delay activation, or reduce system performance.
  • Refusing necessary safety or code work can prevent approval or create hazards.
  • A low initial price with broad exclusions can shift substantial cost into later change orders.

Information you may need

  • Original proposal, drawings, exclusions, and allowances
  • The proposed change and supporting evidence
  • Price calculation, schedule effect, and financing treatment
  • Whether revised permits or inspections are required

Your next step

What to do next

Ask for a standardized written change-order form and compare the proposed change against the original scope before approving or disputing it.

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