Innovation has decreased its costs. Increased its reliability. Extended service life. Principal Investigators Paul Kjellander and Steve Mitnick interviewed leaders and experts at Alliant Energy, Avista, Black Hills Energy, Dominion Energy, Eversource Energy, Florida Power & Light, Georgia Power, Idaho Power, NorthWestern Energy, PacifiCorp, Pacific Gas & Electric, WEC Energy Group. And at Electric Power Research Institute, Burns & McDonnell.