They got solar power in Saudi Arabia for 2c per kW/h. Stick some batteries with it and it's still a lot less than coal with no network problems or subsidies.
Did you bother to read any of it?
In fact, per gigawatt capacity it was the new so-called “HELE” coal plants which broke down more often than their ageing black coal counterparts – coal-fired power is simply unreliable in the heat.
