SUGAR LAND--December 31, 2015--Researched by Industrial Info Resources (Sugar Land, Texas)--Grassroot U.S. projects worth a total of $17.35 billion were set for completion in 2015, according to Industry Info's project database. The projects include a polysilicon manufacturing facility in Tennessee and a massive solar power plant in Nevada, among others. Within this article: Details of top U.S. grassroot project completions in 2015.