Table 10

Differences among the three scenarios investigated and where processes take place along the silicon chain.

Process Energy consumption Scenario A Scenario B Scenario C
Metallurgical-grade silicon 11 kWh/kg China China Europe
Polysilicon 49 kWh/kg China China Europe
Silicon ingot
(Czochralski method)
32 kWh/kg China China Europe
Wafering 4.76 kWh/m2 China China Europe
Cell manufacturing 5.8 kWh/m2 China Europe Europe
Module assembling 4.13 kWh/m2 China Europe Europe

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