The Solar Industry’s New Dirty Secret

The industry has slipped on several key environmental metrics, a new report finds.
Matthijs Koster/Flickr

Matthijs Koster/Flickr

It’s no secret that manufacturing solar panels often requires toxic heavy metals, explosive gases, and rare-earth elements that come from shoddy mines in war-torn republics. But here’s a surprise: The solar industry is actually getting dirtier in some respects. The latest Solar Scorecard from the Silicon Valley Toxics Coalition (SVTC), released last week, reports that the industry has slipped on several key environmental metrics, with many solar-panel manufacturers now refusing to provide any information about their manufacturing practices at all.

In terms of market share, only 35 percent of the solar-panel industry responded to this year’s SVTC survey, compared to 51 percent last year. According to SVTC, several major solar companies have provided almost no meaningful information about their environmental performance—stats such as the toxicity of their panels, the use of conflict minerals, or the sustainability of their supply chains—through reports to the group or on their websites.

“If they are not providing the information, we have to assume the worst,” says SVTC executive director Sheila Davis.

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