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this post was submitted on 26 Jan 2024
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But not nearly the required amounts. We currently use about 6 million metric tons of helium per year.
If fusion plants ever become a commercially viable thing (and that's a big if), they will never be able to supply anything close to that.
According to this, the anual production is 160 million cubic meters, which at a density of 0.166kg/m³ would be over 26 million metric tons of helium per year.
https://www.statista.com/statistics/925214/helium-production-worldwide-by-country/
If we currently only use 6, that's 20 too many being produced. It would also seem like China is 95% dependent on helium import, so the US selling its reserves could be a reasonable way to level the import/export balance.
I got the 6 million from this link: https://www.chemanalyst.com/industry-report/helium-gas-market-578
The issue is not how much can be produced right now, but the rate at which we are depleting it.
I found different estimates on how long earth's helium supply will last, and most of them are between 10 and 100 years. That's not a long time, considering that it means we will lose access to a whole element.
According to the OP article:
That could mean a much lower usage, and a much longer timespan for the supply.
That would indeed be very helpful. But if all the other usages keep draining the supply, it will only help extend artificial reserves.