The urgency to mitigate climate change and the need for more energy independence in many countries will boost demand for renewable energy to unprecedented levels. Meanwhile, trade conflicts, the logistics crisis, and insufficient supplies of raw materials have disrupted supply chains for the past two years. This has resulted in higher prices for solar equipment, challenging the predictability of on-time delivery and the quality of products. Sebastian Petretschek, TÜV Rheinland’s global head of PV power plants, examines the key issues in module procurement for investors.
TÜV Rheinland has noted an increase in failure rates for mechanical stress testing with larger-format modules, which could make investors think twice about deploying PV in regions prone to heavy winds or snow loads without sufficient prior assessment.
Image: TÜV Rheinland
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