Safety & code compliance
Industry Term

Module mismatch

Module mismatch occurs when PV modules in the same electrical path produce different current or voltage because of shade, orientation, soiling, aging, or manufacturing differences.
Product(s)
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What does Module mismatch mean?

Module mismatch occurs when PV modules in the same electrical path produce different current or voltage because of shade, orientation, soiling, aging, or manufacturing differences.

When does Module mismatch improve solar production?

This term matters because PV systems must be safe for installers, owners, service teams, and first responders. Safety terminology may not be flashy, but it is what keeps the flashy parts from becoming sparky parts.

How it relates to Tigo

Tigo optimization is designed to help mitigate mismatch caused by shade, soiling, aging, orientation, or module variation.

Related Tigo resources