https://www.nsenergybusiness.com/news/us-coal-company-bankruptcies/#
Change "week" to "every two years"
“546 coal-fired power units have retired in the US over the past decade”
Beyond any green fantasies, the main reason for this is economics. Technologies evolve. Right now a mix of renewables and natural gas is much cheaper than coal.
It may come that renewables + batteries are the cheapest way to power a country. We are far from that now, but batteries prices are dropping every year.