Don’t Count Out Thin-Film Solar

As startup Solexant resurfaces for funds, consider the possibility that thin-film will still have its day.

Thin-film solar is back in the news as Solexant, a company that’s been hiding out for the past two years, recently resurfaced, likely with the goal of raising more funds (see “Thin-Film Solar with High Efficiency”). A few years ago, thin-film solar was all the rage in Silicon Valley. It was supposed to be a cheaper alternative to conventional silicon solar panels, promising costs as low as a jaw-dropping $1 per watt. It fell out of fashion as conventional silicon solar panels first approached, and then dropped below that cost. Thin-film solar companies started failing, or being acquired for pennies on the dollar, or dropping off the radar, lurking at a low burn rate in the hope that the solar market will surge, creating demand for their product.