Yeah, the East Skyline Drive supercharger is way too far off the Interstate to be useful for efficient road tripping, and it is only 72 kW. I guess if Casa Grande keeps getting worse, it is an option, though the south Tucson supercharger is right along I-10 and it has a much faster charge rate.
The La Encatada mall is nice, and there are indeed great mountain-side views all around, though it is effectively closed right now, of course. I was there after 6 tonight, super quiet, with my choice of any charger. Thankfully, the restrooms in the mall were still open!