Tim1 wrote: Actually the main impact Focus Fusion will have on large grids is to make them obsolete. Since FF devices don’t have much environmental impact, they will be located near the point of use. (Waste heat should be the major environmental impact, may be district heating and adsorption chillers will become popular.)
The fact that a coal boiler would fit in my back yard doesn’t mean I’d want one for any particular reason. Economies of scale will continue to apply to maintenance of generators, regardless of energy source.