PVEL's PV Module Reliability Scorecard evaluates the reliability and power generation performance of photovoltaic modules and manufacturers through its comprehensive Product Qualification Program (referred to as PQP), and the title of Top Performer – granted to high-ranked companies – is considered throughout the industry an esteemed mark of product quality and reliability.
PVEL ranks PV module manufacturers based on Product Qualification Program (PQP) testing over an 18-month period. PQP encompasses tests and analysis on thermal cycling (TC600), damp heat (DH2000), mechanical stress sequence (MSS), potential-induced degradation (PID192), light-induced degradation (LID), light and elevated temperature-induced degradation (LeTID), and more.
