At one point the Tesla app said 10/12. I once caught it saying 9/12 and watched it flip to 10/12, all the while showing that it was unavailable. Finally, it just showed unavailable with no numbers.
I couldn’t resist. I went over to see. I parked by the one lone supercharger and plugged in and it did nothing.
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You can see 11 superchargers. I am parked at one that is standing by itself to the left of this shot. They have yet to reline the parking spaces. Someone left a crimping tool behind. They have not really cleaned up.