Here's some current info: Duke Energy, headquartered in this state, brings electric power to 4 million people
.... State regulators have sought concessions from large 
power companies... [DOC] [TLE] Duke Energy - EPRI DC Powered Data Center Demonstration ... [PAR] Typical data center power delivery designs use alternating current (AC) ... Duke 
Energy and the Electric Power Research Institute (EPRI) are working ... only 
squeezes some of the losses out of each component.