SunPower sets a new solar power panel efficiency record of 24.1 percent Updated On Mon, Jun 27th, 2016 by Saurenergy SunPower has set a new solar power panel efficiency record of 24.1 percent, surpassing the previous world record for the highest efficiency of a solar panel using silicon cells. Early this year SunPower achieved 22.8 percent efficiency for its X-Series solar panel. “With greater efficiency, we can fit more watts on the roof with the outstanding […] Read more