[Snafuh]

It's already happening. Coal use in the US was up 15% in H1/25 compared to the previous year. Partially due to a shift from higher prices gas.

Coal retirement in the US is almost entirely driven by economics. If someone needs the power, coal plants will stay open and capacity factor go up.

https://www.eia.gov/outlooks/steo/report/elec_coal_renew.php