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Quality

PID-related performance drop in a solar farm

Some PV panels or batches of modules are susceptible to potential induced degradation (PID), while others are scarcely affected. Currently, many PV farm operators in Europe are experiencing this reality. The third instalment of our “Bring on the Black Sheep” series describes a case in which a module manufacturer behaved in a close to exemplary manner, but the inverter manufacturer made life difficult.

Poor quality planning: Shifting the blame, passing the buck

An installation company in the Midwest reports how blame was laid at their door for defective PV panels. The actual cause of the defects probably lie elsewhere.

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Residential Inverter Quality: An O&M Headache

Failures in residential solar systems can be the bane of an installer, who is often paid merely to install the system, not necessarily to back the various component warranties.

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