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PV Evolution Labs publishes 2019 PV Module Reliability Scorecard ranking PV modules and manufacturers

June 12, 2019/in Reports/by Solar Business Hub

PV Evolution Labs (PVEL), the leading independent test lab for the global downstream solar industry, announced the publication of the 5th Edition of its PV Module Reliability Scorecard in partnership with DNV GL, the world’s largest resource of independent experts and certification body. As the most comprehensive publicly available comparison of PV module reliability test results, the Scorecard ranks PV modules and manufacturers using independent test data.

Despite improved performance in some areas, over 30% of the module Bills of Materials (BOMs) assessed for this year’s report failed one or more test criteria. The trend of poor damp heat performance observed in 2018 continues and is due in part to unexpectedly high degradation from select modules with PERC technology.

The annual PV Module Reliability Scorecard summarizes the results of independent testing conducted as part of PVEL’s Product Qualification Program (PQP) and identifies the PV module models that achieved top performance. Highlighted findings include:

  • >30% of eligible Bills of Materials (BOMs) failed one or more test criteria
  • 10% of BOMs had at least one safety failure
  • Performance increases: Percentage of thermal cycling and potential-induced degradation Top Performers rose by 42% and 29% respectively versus historical results
  • Performance decreases: Percentage of dynamic mechanical load sequence and damp heat Top Performers fell by 37% and 38% respectively versus historical results

The PQP is a unique protocol of tests that generate empirical performance and reliability data, contributing to critical technical due diligence, energy forecasts and financial models utilized by solar investors and project developers. Manufacturers voluntarily participate in the PQP, but only Top Performers are eligible for listing in the Scorecard. Manufacturers choose to be recognized in the Scorecard in order to demonstrate the quality of their products to the market.

Since PVEL launched its PV Module PQP in 2012, it has tested over 300 BOMs from more than 50 module manufacturers. More than 75% of the current Bloomberg NEF “Tier 1” manufacturers have participated in the Program. PQP participation is now a common requirement by downstream buyers around the world.

In this edition JinkoSolar is raked as the Top Performer for the 5th  consecutive year.

Tara Doyle, Chief Commercial Officer of PVEL commented:

“The solar industry is deploying new technology with little to no long-term field data that proves its reliable performance. As our latest Scorecard demonstrates, independent testing is vital to mitigate the possible risks posed by promising yet novel designs and materials – in fact, it is the only source of objective reliability and performance data.”

Scott Stephens, Head of Technology of Clearway Energy commented:

“We look forward to PVEL’s PV Module Reliability Scorecard every year. Consulting the Scorecard alongside PVEL’s detailed PQP reports provides Clearway with a listing of companies that prioritize module reliability, confirm that contemporary module technologies such as bifacial can achieve or extend the reliability of more conventional modules tested previously, and promotes the value of extended reliability testing which is essential for utility-scale project execution in the U.S.”

Dana Olson, Solar Segment Leader of DNV GL commented:

“According to Wood Mackenzie and the Solar Energy Industries Association (SEIA), PV module prices have dropped by 25% in the last year alone. Oversupply and regulatory uncertainty are intensifying the cost pressure PV manufacturers face. It is incumbent upon buyers to thoroughly vet the products they source or else face greater risk of economic underperformance down the road.”

The 2019 PV Module Reliability Scorecard is available as a free download at www.pvel.com/pv-scorecard.


Source: Press Release by PV Evolution Labs (PVEL). Photo Credit: PVEL.

Tags: DNV GL, PVEL, solar PV
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