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.
Solar Panels Made in the USA. These solar panels made in the USA. These companies manufacture solar cells and modules right here in America: SolarWorld, Helios Solar Works, Suniva, Renogy, Sunpower, First Solar and Sharp USA. It is possible to create green jobs with American made quality at low, competitive prices.