Plotwatt: 10-year-old Durham startup acquired

A 10-year-old Bull City cleantech with customers such as Dunkin' Donuts and KFC has been acquired by another Durham firm. American Efficient has purchased PlotWatt. Financial terms were not disclosed. American Efficient, founded in 2011, calls itself "one of America's largest aggregators of energy efficiency resources." With PlotWatt, an energy analytics firm, the combined entity "can transform consumers' investments in energy efficiency into valuable grid resources in groundbreaking...