It's not "nigh", it's here
California is on fire 1/2 the year, the PNW went through unprecedented record heat this summer, Texas' electric grid froze like 9 months ago. And it will only get worse each year. It won't be a sudden thing, things will gradually but progressively worsen
As correctly identified, politicians see it as a cash grab with no real interest in doing what it takes. Building up a nuclear power supply to replace coal and natural gas power plants would be a great start.