where is supply going to come from......from your article"Of...

where is supply going to come from......from your article
"Of those issues, supply chain security may present the biggest obstacle. The global production of vanadium is currently about 110,000 metric tons (t) per year, but the market is already tight, and demand could grow to about 400,000 t per year by 2030, said Jana Plananska, an independent consultant working with the Anglo-Norwegian company Norge Mining. Flow batteries could account for up to half of that demand.
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