Rural Electric Magazine, Mar. 2014, by Courtney Barry.
https://www.nxtbook.com/nxtbooks/nreca/re0314/index.php?startid=24#/26

"Some electric co-op engineers see it as a real catch-22: maintaining a system that can support or allow a reduction in voltage while ensuring that adequate voltage is received by every consumer, all the way to the end of the line. But with the right tools and some forethought, achieving that balance doesn't have to be an insurmountable challenge, says Jim Weikert, automation consultant for Power System Engineering (powersystem.org) in Madison, Wis."