> Only NPPs require a permanent grid connection to not blow up.
This is untrue, and in the next sentence you contradict this statement when you mention the backup to the power grid: diesel generators which are substantially more portable, and less powerful than an entire energy grid.
This is untrue, and in the next sentence you contradict this statement when you mention the backup to the power grid: diesel generators which are substantially more portable, and less powerful than an entire energy grid.