That report is better than most but it relies on the assumptions that 1) the grid can route power nearly instantaneously from LA to NYC with very low losses and

That report is better than most but it relies on the assumptions that 1) the grid can route power nearly instantaneously from LA to NYC with very low losses and 2) on cuts in per person energy use by 30-50% (primarily by switching to electric cars). I see both of those assumptions being even less likely than 3) we cover 6240 square miles (5 Rhode Islands) with solar panels.