Tandem PV, a perovskite-based solar panel developer, has secured $50 million in Series A and debt funding, which it plans to use to construct a commercial-scale manufacturing facility in the U.S. and speed up the adoption of its solar panels. The funding was led by Eclipse, with participation from Constellation Energy, Planetary Technologies, Uncorrelated Ventures, Trellis Climate, Tom Werner, former CEO of SunPower, Stifel Bank, CSC Leasing, and other existing and new investors.