Do any of these HVDC lines really use copper? I think aluminum is much much more... | Hacker News

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		jcalvinowens 3 months ago \| parent \| context \| favorite \| on: Solar power has begun to transform the world’s ene... Do any of these HVDC lines really use copper? I think aluminum is much much more common.

Tade0 3 months ago [–]

I'm no expert but it appears both materials are used - there must be a trade-off of some sort.

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