Prices of silicon metal, used to make the material that comprises solar panels, have surged about 300% since the start of August after a top-producing

Solar Power May Be the Next Victim of China’s Coal Shortage

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2021-10-27 04:00:07

Prices of silicon metal, used to make the material that comprises solar panels, have surged about 300% since the start of August after a top-producing province ordered production be slashed amid a power crunch. China dominates global solar production, with its coal generators powering many of the factories that make clean energy equipment.

The move could further fracture the global supply chain that has already been upended by geopolitics, with the U.S. detaining some Chinese imports earlier this year for alleged labor abuses in the nation’s Xinjiang region. It all points to higher prices for solar panels.

“It is yet another excuse for polysilicon makers to increase the price, and the pricing environment for solar modules is very nervous at the moment,” said Jenny Chase, BloombergNEF’s head of global solar research.

Until this summer, silicon metal had a rather innocuous history. Made by heating common sand and coke in a furnace, prices ranged between $1 and $2.50 a kilogram from 2003 until August. That’s when Yunnan province, one of the top production hubs, announced that as part of its efforts to meet energy-intensity targets, production of the metal from September to December would be cut by 90% from August levels.