| Changing Parameter | Two Diode Model | One Diode Model | ||
| Irradiance (watt/m2) | Pmax (watt) | Efficiency (%) | Pmax (watt) | Efficiency (%) |
| 250 | 65.45 | 25.1733 | 56.59 | 21.7667 |
| 230 | 59.92 | 23.0467 | 51.69 | 19.8822 |
| 210 | 54.39 | 20.9229 | 46.81 | 18.0038 |
| 190 | 48.88 | 18.8008 | 41.94 | 16.1340 |
| 170 | 43.37 | 16.6818 | 37.11 | 14.2731 |