Article: Aluminum Solar Frames are a House of Cards

Jan 23, 2024

The entire solar industry rests — both literally and figuratively — on a dangerously vulnerable material.

It is vulnerable to the United States’ increasingly fraught relationship with China. It is vulnerable to snarled supply chains and to the increased size and demanding mounting methods for utility-scale modules. And it’s vulnerable to the severe weather that climate change has made so much worse.

That material, from which the industry makes all the frames on which solar modules rest, is aluminum. It is one of the most carbon intensive metals, and the bulk of its supply originates in one of the world’s most coal-intensive nations an ocean away. It is time for solar to leave aluminum behind.

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