“...USA has 15...”
-
Tell your friend Leo to quit sending you B.S.
The US has 241 coal fired powered plants...
Here is the list:
https://en.wikipedia.org/wiki/List_of_coal-fired_power_stations_in_the_United_States
LOL — Leo the Liar!
“Coal generated 23% of United States electricity in 2021,...”
How many new plants?
Right you are, assuming Wiki’s numbers are correct.
However, the question might be just how many have been shut down, and of those how many had years remaining on their viability.