FAQ
Frequently asked questions about PV EL inspection, answered for plant owners and inspection labs.
Why Should PV Plants Run EL Inspection Periodically?
Module defects develop over time—periodic EL catches hidden cracks and degradation early, before they cause power loss or safety issues. This article explains the value of regular EL.
Read more →A Complete Guide to EL Inspection Across the Module Lifecycle
EL inspection adds value at every stage of a module's life—from production and shipping to acceptance, operation and end-of-life. This guide maps EL to each lifecycle stage.
Read more →Does EL Inspection Require Shutting Down the Plant?
EL requires injecting current into modules, so the inspected string must be taken offline, but not the whole plant. This article explains the power arrangements and how to minimize generation loss.
Read more →How Much Does EL Inspection Cost Per Module?
EL inspection cost depends on scale, method, site conditions and whether you buy equipment or outsource. This article explains the common pricing models so you can budget realistically.
Read more →Can an EL Inspection Report Serve as Claim Evidence?
An EL report can support warranty or insurance claims when it is traceable, standardized and third-party credible. This article explains what makes an EL report count as evidence.
Read more →PV EL Inspection FAQ — 15 Common Questions Answered
A plain-language FAQ covering the most common questions about PV EL inspection — what it detects, daytime capability, whether power is needed, sampling, standards, cost factors and reporting.
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