The key to the success of S.W.E.R. is that it is used for dispersed small loads to quote the first of Cindy's citations.
A friend of mine, recently arrived from S. E. Asia, was amazed to realize that an 18 kW 60 Amp 120 / 240 Volt service was marginal by today's single family residence standards. His expectations were that 2.0 kW was more than could be used. The best wired residences he had known were wired for a max of 2.0 kW.
