FREMONT, Calif.–(BUSINESS WIRE)–Tandem PV, a pioneer in high-efficiency perovskite-silicon solar panels, today announced the appointment of Jennifer Granholm, former U.S. energy secretary and governor of Michigan, to its board of directors. Granholm joins Tandem PV at a pivotal moment for the company and the U.S. energy sector, as rising energy demand and the need for resilient domestic supply chains accelerate the need for advanced solar manufacturing in the United States. “We’re delighted t