Further, if the basic input to making a solar cell, that Si wafer, has become cheaper then of course we expect the cells themselves, and the panels made from them, to also fall in price.

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Production costs of solar cells, and correspondingly, solar modules are also decreasing due to declining input costs, particularly polysilicon and silicon.

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Production cost of solar cells, and correspondingly, solar modules is also decreasing worldwide due to declining input costs, particularly polysilicon and silicon.

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