The corrugated medium and linerboard board are made of kraft containerboard, a paperboard material usually over 0.01 inches (0.25 mm) thick.
The panels contain cells made in China, Taiwan and, sometimes, Germany. Grape still plans to import inexpensive Chinese-made cells, and to buy Oregon-made inverters -- which convert direct current to alternating current -- for the panels it assembles in Eugene.
A total eclipse of conventional solar. Designed by SunPower in California, MaxeonÂ® solar cell technology makes more energy from every drop of sunshine. Factor in our elegant styling and impressive durability, and itâs no wonder we outshine the rest. Compared to a Conventional Panel, a SunPower solar panel produces 70% more energy over the first 25 years.