 Reuters | SolarWorld shifts US production to Hillsboro, closes California assembly line OregonLive.com By Molly Young, The Oregonian View full sizeRandy Rasmussen/The OregonianSolarWorld's Hillsboro factory will host all of the company's US production lines, after company officials announced plans to shut down its California manufacturing site today. ... SolarWorld consolidates US manufacturing in Hillsboro SolarWorld shuts production at US plant |