Tag: X-Series

  • NREL tests: SunPower X-Series solar panels reach 22.8 percent efficiency

    The National Renewable Energy Laboratory (NREL) recently tested and verified that a SunPower X-Series solar panel reached 22.8 percent efficiency – a new world record. SunPower’s newest X-Series solar panel, the X22, offers efficiencies of more than 22 percent. The high efficiency solar panels generate more energy in the sameRead More — Solar Builder magazine