It’s happening: Here comes the EPA’s de facto ban on new coal plants
...Coal-fired plants may be allowed to emit up to 1,400 pounds of carbon dioxide per megawatt-hour, but that threshold is probably still too high for coal to meet without adding very expensive carbon-capture technology — meaning that the construction of new coal plants will no longer be a cost-effective endeavor in many cases.

Coal plants have already begun shutting down in anticipation of the new regulations, and get ready to see a lot more of that...