SunPower Holds World Record for Most Efficient Rooftop Solar Panel, Again

An impressive NREL-validated 24.1 percent world record. by Eric Wesoff June 27, 2016 SunPower once again holds the record for the world’s most efficient rooftop solar module, achieving an NREL-validated 24.1 percent.NREL scientist Keith Emery, manager of the PV cell and module performance laboratory, provided the verdict in a release: “The module measured 11310.1 cm2 […]