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Main component in solar power dirt cheap

Polysilicon prices hit record low amid supply glut that's set to linger

BOOMING DEMAND: Ninety per cent of the world's polysilicon supplies ended up in solar panels in 2014, up from 27 per cent in 2001.

New York

PRICES for polysilicon - the main ingredient in solar cells - have dropped to a record low amid a supply glut that won't end soon.

There's so much of the shiny black stuff on the market that suppliers including Europe's Wacker Chemie AG, Hemlock Semiconductor Corp in the