SunPower has been developing record- breaking solar technology since the 1970s. Our history over these decades has been marked by creativity, craftsmanship – and confidence. Since 1985 SunPower has been leading the global solar innovation. Sunpower is consistence in delivering more energy and peace of mind with its highest performing solar power system. SunPower Global Headquarter is based in Silicon Valley since 1985.so far the energy generated is more than 18,000,000 MWh which itself proves the dedication towards solar innovation. SunPower Maxeon cell Technology is the highest efficiency solar panels. SunPower has over 200 patents for solar Technology. SunPower E Series Residential Solar Panels delivers High Performance in high temperatures, clouds and low light and has Excellent Durability. E Series panels convert more sunlight to electricity by producing 31 percent more power per panel and 60 percent more energy per square meter over 25 years.