First SolarFS-390-Plus
The First Solar FS-390-Plus is a solar panel with peak power 90 Wp, efficiency 12.5 % and cell type thin film (CdTe).1
Key figures
Technical specifications
| General | |
|---|---|
| Cell type | Thin film (CdTe)1 |
| Cells (in series) | 1461 |
| Performance | |
| Peak power | 90 Wp1 |
| PTC power rating | 85.2 W1 |
| Efficiency | |
| Efficiency | 12.5 %1 |
| Temperature coefficient Pmax | -0.25 %/°C1 |
| Nominal operating cell temperature (NOCT) | 44.6 °C1 |
| Electrical | |
| Open-circuit voltage (Voc) | 56.9 V1 |
| Short-circuit current (Isc) | 2.27 A1 |
| Voltage at Pmax (Vmp) | 44.4 V1 |
| Current at Pmax (Imp) | 2.03 A1 |
| Dimensions & weight | |
| Width | 600 mm1 |
| Height | 1,200 mm1 |
Frequently asked questions
What is the peak power of the First Solar FS-390-Plus?
The peak power of the First Solar FS-390-Plus is 90 Wp.1
What is the efficiency of the First Solar FS-390-Plus?
The efficiency of the First Solar FS-390-Plus is 12.5 %.1
Which cell type does the First Solar FS-390-Plus use?
The cell type of the First Solar FS-390-Plus is thin film (CdTe).1
What is the temperature coefficient Pmax of the First Solar FS-390-Plus?
The temperature coefficient Pmax of the First Solar FS-390-Plus is -0.249 %/°C.1
Sources
- CEC Solar Equipment List – PV modules — California Energy Commission · accessed 27 Sept 2026