Thin-film technologies have long promised to make a major impact on the solar industry but have largely been constrained to niche applications and research labs if they were not shredded by the market. After several false starts, current trade dynamics and promising research programs may help solar thin films find their place in the sun.

Cannabis prohibition drove a culture of clandestine production in the past and solar helped growers to cultivate it at remote, off-grid sites. Now, as a global commercial cannabis market emerges, solar has an even bigger role to play.