Panel Audit
Free solar performance diagnosis to detect energy losses and likely faults.
Free - Free online solar performance diagnosis — no signup required, instant report.
About Panel Audit
PanelAudit is a free online tool that diagnoses underperforming solar PV systems. Enter system size, age, location and optional production, panel and inverter brands to estimate energy loss (commonly 10–30%), identify likely faults and see whether you need a thermal or professional inspection. Supports regions across the US, Australia, UK and Spain. Instant results, no signup, and the ability to track system health over time.
Key Features
- Estimate system energy loss (typical 10–30%)
- Identify likely faults and causes of underperformance
- Recommend whether a thermal/professional inspection is needed
- Supports inputs for system size, age, location, panel and inverter brands
- Track system health over time with repeat checks
Who is this for?
Residential and small commercial solar owners, installers and maintenance technicians who want to detect energy losses and prioritize inspections.
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