Caterpillar PVT105 vs First Solar FS-4105-3
Peak power: Caterpillar PVT105 105 Wp, First Solar FS-4105-3 105 Wp. The First Solar FS-4105-3 is better on 3 of 5 comparable points.
Who wins where
- Caterpillar PVT105
- First Solar FS-4105-3
Biggest differences
| Fact | PVT105 | FS-4105-3 |
|---|---|---|
| Nominal operating cell temperature (NOCT) | 47 °C | 45.77 °C |
Score per area = position (0–100) relative to all 1000 models in this category; higher is better.
| Technical specifications | CaterpillarPVT105 | First SolarFS-4105-3 |
|---|---|---|
| General | ||
| Cell type | Thin film (CdTe) 1 | Thin film (CdTe) 1 |
| Performance | ||
| Peak power | 105 Wp 1 | 105 Wp 1 |
| PTC power rating | 97.4 W 1 | 97.8 W ✓ 1 |
| Efficiency | ||
| Efficiency | 14.6 % 1 | 14.6 % 1 |
| Temperature coefficient Pmax | -0.31 %/°C 1 | -0.31 %/°C ✓ 1 |
| Nominal operating cell temperature (NOCT) | 47 °C 1 | 45.77 °C ✓ 1 |
| Dimensions & weight | ||
| Width | 600 mm 1 | 600 mm 1 |
| Height | 1,200 mm 1 | 1,200 mm 1 |
Sources
- CEC Solar Equipment List – PV modules — California Energy Commission · accessed 27 Sept 2026