Sure, once. Then you can switch it off for good, because it will get damaged - the combustion chamber inside needs to be heated up or cooled down slowly, otherwise it will crack. When you are "not using" coal power plant, you still need to keep the combustion chamber hot.
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Of course you can.
Sure, once. Then you can switch it off for good, because it will get damaged - the combustion chamber inside needs to be heated up or cooled down slowly, otherwise it will crack. When you are "not using" coal power plant, you still need to keep the combustion chamber hot.
The question is not if you can, you can, it's about speed and how fast.
And solar is predictable per day good enough that you can compensate the short intervals with gas and batteries.