Bifaciality

The relationship between rear-side and front-side photovoltaic response under defined measurement conditions.

Also called: bifacial response

Where it matters

State which measured quantity and conditions define a reported bifaciality value.

Testing and verification

It is not the same as field energy gain; rear glass alone does not make a module bifacial.

Technical references

General information for preliminary evaluation; not independently reviewed or certified. Confirm grades, standards and suitability with the manufacturer for your application. Interpret within the exact material, grade and test method.

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