We recently spoke to Scott Graybeal, CEO of Caelux, one of North America’s 4-terminal perovskite tandem companies. (The other is Tandem PV, which we interviewed last month). The company is now ramping up its pilot line factory, built with $24 million from Series A financing. “Every factory has its challenges, some of them unique to perovskites, but we’re satisfied with our progress and so are our investors,” states Graybeal. Previously a pet food distribution warehouse, the factory – work started from November 2022 – now holds 50 MW production capacity. The first commercial-scale deposition and laser scribing equipment arrived 6 months back, which is also when the company produced a 1m*2m perovskite on TCO glass demonstration from automated tools. “We’re…