From the TM Co. Forum threads, sounds like this Supercharger was mobbed yesterday. One owner reported that at 5:15pm-ish all seven stalls were full, with 6 cars waiting, and three more which showed up and left. Let's hope it was the first-weekend novelty and special occasion of this long-needed site coming on line.
Wow, that is even more insane than my experience. I arrived yesterday, Saturday, about 12:45pm. Parking was really tight for all the mini-mall, so even waiting for a spot was difficult. The bank closes at 1 pm on Saturday, so one of the stalls was blocked by a bank customer ICE, parked in one of the dual-use spots, labeled like this:
Fortunately one of the MS owners directed me around to park so my car could reach this cable from the other side, so I was able to start charging without a wait. I believe all 7 stalls were busy at that time.
I was there about 30 minutes, rated miles went from 90 to 170. Started at 48kW, rate went up to 77 kW as other car's charge either went below 30kW or left. Teslas were arriving or leaving every couple of minutes. After the bank closed the ICE left and I moved around to the regular position for the same stall.
The bank closes at 5pm M-Th, 6pm Fri, 1pm Sat.