Panel Degradation Rates by Environment

Interactive Analysis of Solar Panel Performance Over 25 Years

Data Source: 15-Year Longitudinal Study | 200+ Installations Worldwide | 2009-2024
0.52%
Average Annual Degradation
200+
Installations Monitored
45,600
Data Points Collected
87.2%
Average Efficiency at Year 25

Panel Type Selection

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Manufacturer Selection

Manufacturer A (Tier 1)
Manufacturer B (Premium)
Manufacturer C (Standard)

Environment Filter

Sahara (Desert)
Temperate Climate
Coastal Areas
Sahara (Desert)
Temperate
Coastal
95% Confidence Interval

Degradation Summary by Year

Year Sahara 585W (%) Temperate 585W (%) Coastal 585W (%) Sahara Standard (%) Temperate Standard (%) Coastal Standard (%)