| Changing Parameter | Two Diode Model | One Diode Model | ||
| Diode Ideality factor (“a” for one diode model and “a2” for two diode model | Pmax (watt) | Efficiency (%) | Pmax (watt) | Efficiency (%) |
| 1 | 58.55 | 22.5226 | 59.15 | 22.7537 |
| 1.2 | 60.55 | 23.2922 | 56.59 | 21.7667 |
| 1.4 | 60.66 | 23.3333 | 54.16 | 20.8342 |
| 1.6 | 60.67 | 23.3371 | 51.86 | 19.9493 |
| 1.8 | 60.67 | 23.3377 | 49.68 | 19.1082 |
| 2 | 60.67 | 23.3379 | 47.59 | 18.3066 |