What efficiencies do solar cells have?
| Material | Efficiency in % production |
|---|---|
| Monocrystalline silicon | 15 to 18 |
| Polycrystalline silicon | 13 to 16 |
| Microcrystalline silicon | 9 to 11 |
| CIS, CIGS | 10 to 14 |
| Cadmium telluride | 8 to 13 |
| Tandem (stacked cells) | 8,6 |
| Amorphous silicon | 5 to 7 |
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