PV manufacturers are under increasing pressure to remove so-called conflict materials from their supply chains. But as Chris Berry explains, it's not quite as simple as that.
Political and regulatory disruption often get the most attention as the likely brakes on solar's future growth. But a more pressing concern is the availability of crucial materials, says Chris Berry.
Silver is a key raw material in PV manufacturing. But as Chris Berry writes, a deficit in global silver supply and the prospect of future price increases are both sources of concern for the solar industry.
