Path-Q Solar

What records should I keep to support a future incentive audit?

Answer

Keep a complete project file showing who paid for and owns the system, what was installed, when it was placed in service, and how costs and incentives were calculated. Retain original records for the period required by the applicable tax, rebate, grant, or utility program rules.

Key points

  • Keep signed contracts, invoices, receipts, payment evidence, change orders, and financing documents.
  • Keep equipment descriptions, serial numbers, permits, inspection or approval records, commissioning records, and completion dates.
  • Keep ownership, property-use, and installation-location evidence, including relevant closing or title documents.
  • Keep incentive applications, approval letters, certificates, utility correspondence, and copies of submitted forms.
  • Preserve monitoring or production records when the program conditions benefits on operation or performance.

What it depends on

  • The specific incentive or tax provision
  • Ownership and installation structure
  • Required retention period
  • Whether a third party, utility, or tax authority may audit the claim

Risks and trade-offs

  • Missing proof of payment, ownership, or placed-in-service timing can weaken a claim even if the equipment was installed.
  • A contractor invoice alone may not establish eligibility or the amount actually paid.
  • Electronic records can be lost if accounts, portals, or contractors become unavailable.

Information you may need

  • Names of all incentives or programs claimed
  • Purchase, financing, and installation dates
  • Who owns the equipment and who claimed the benefit
  • Applicable program instructions and record-retention requirements

Your next step

What to do next

Create a dated digital and physical project folder, download records from contractor and utility portals, and confirm the required retention period for each claimed incentive with the relevant program or tax professional.

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Some details may depend on your location, installer, utility, incentives, regulations, or specific property.

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