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The electrical parameters, converted to STC, of two c-Si modules operating for 24 years with induced ageing from extended shading and another c-Si module operating for 18 years under natural ageing.
| Modules c-Si | Isc (A) | Voc (V) | Im (A) | Vm (V) | Rs (Ω) | Rsh (Ω) | Pm (W) | δPm/Pm % |
|---|---|---|---|---|---|---|---|---|
| M55 no1 24 years | 2.550 | 20.82 | 2.496 | 16.15 | 0.85 | 106.7 | 38.71 | 28.0 |
| M55 no2 24 years | 2.964 | 21.0 | 2.684 | 14.68 | 1.43 | 71.4 | 39.55 | 25.4 |
| SM55 no3 18 years | 3.003 | 21.08 | 2.850 | 15.99 | 0.794 | 103.9 | 45.57 | 16.8 |
