Quantifying degradation in PV systems

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  • Explanation of Performance Loss Rate (PLR) and Degradation
  • Determination of Performance Loss Rates of PV systems over time by different harmonised and validated methods
  • Sampling strategies based on comparing analyses of system-level monitoring data with in-field module testing and characterisation, including quantified degradation rates and indicative uncertainty budgets for common and proposed measurement scenarios
  • Guidelines for optimal instrumentation and analysis methods for the determination of Performance Loss Rates