Air storage is actually a thing, drying included. it uses salt domes, or other large underground structures. You can do this when you have the facilities, just as people with thermal can do thermal. Doesn't work everywhere, can work where you have the right conditions.

Same for CCS: It can work, with huge if-but-maybe, and is well known to work for oil & gas field injection to increase production. The downsides are fugitive gas release. All attempts at CCS for "clean" coal have turned out to fail, AFAIK (economically, if not practically, but mostly practically: its hard)