A couple ideas for Spain.
-There are many small electricity production facilities on the many small rivers of the Pyrenees, mostly in Aragon. Some could even be expanded to supply small towns (a few already are for small hamlets), and base cantonments.
-Right wing parties would give some trouble in your scenario after their leader is killed. Maybe not civil-war-level, but high enough in the political level. It's a tradition here, for "left" and "right" (traditional meaning was lost long ago
) to be as antagonistic as possible. These will be very reactionary to a Catalan independence (possible guerrilla scenario?), and somewhat less in Galicia (they almost conder it "their turf").
Our political scene is... complicated even for us. That's why I try to ignore it
-In the target list for Spain, Tarragona was higher in the list than some of the others you mention. Then, Catalonia capital could be Berga, a classic (one of them) of the most radical nationalists.
Unless you want to leave the refineries and chemical industry intact for some dark purpose, of course.
Maybe Marc can add something more.
Your scenario leaves the Canary Islands (and the several military and naval units there) mostly intact. A temping but difficult target for Morocco and assorted pirates, and a stepping stone for trans-Atlantic travel and commerce.
The same goes for Madeira and Cabo Verde.