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How is the line formed at full superchargers?

jboy210

Supporting Member
Dec 2, 2016
4,640
2,887
Northern California
I was at the Fremont Hub Target Supercharger the other day. When I went to pickup my car a line had formed. They seem to be queuing by parking across an empty parking row to the chargers forming a head to tail line.
 

tpham07

Active Member
Mar 21, 2017
1,965
2,202
Rhode Island
i bring this. never have trouble getting a spot.

800px-T3-RPG-2.jpg
 
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NeverFollow

Active Member
Aug 9, 2010
1,277
730
Note: It would be nice to have an App showing which slot are in use and what percentage is remaining.
Also to have the possibility to put your car license on a waiting list would be nice.
A fantastic idea that still has not come into being.....
This would even been more useful for emergency situations such as an hurricane evacuation.
 
Last edited:

Robert831

Member
Jul 22, 2017
129
168
Boulder Creek, CA
I think this thread is about to become a lot more relevant in the near future. 1) Mass production of Model 3s is flooding California with Teslas. 2) Holiday traffic is coming soon.

I already got a taste of the waiting in line issue when I went to watch the recent SpaceX launch. Just before the event and just after I found myself arriving at superchargers at the same time as everyone else who was going to the same place at the same time.

At my first 'waiting in line' experience, I was first in line. Then 4-5 other cars got in line after me, but didn't quite line up sequentially. So I guess they had to memorize who was next. It was pretty easy to line up since there was a lot of space (San Luis Obispo), but apparently not everybody has the same concept of where the back of the line is supposed to be, or how the cars should be oriented. I would think they should be front to back rather than side by side, so that the whole line can move forward as chargers are freed up.

On my return trip, I was second in line and 3 more cars showed up behind me. There was no open space to form a line (Atascadero), so we had to randomly park in empty spaces and hope we could all remember who was ahead of who.

This can work OK when there's only 5 cars in line. But what will happen come late December and you have 15+ people in line? It's easy to imagine civility breaking down. We should plan ahead with a numbering system, perhaps.

What if some of us carry a post-it note pad and a sharpie? Then we can do a "take a number" system on the fly, and self-regulate despite the larger complexity.

Even if the people ahead of me don't want numbers, I could at least count the number of cars in line and give myself the next number. Then as more people arrive I could give them sequentially higher numbers. Who would refuse getting a number to assure their place in line?

The notes could be stuck to the windshield, perhaps, to make it more obvious. If it's raining, you could write the number on the back and stick it to the inside of the windshield

Any thoughts?
 

rainforest

Active Member
Aug 21, 2016
1,043
378
Canada
I'm planning a road trip from Canada to San Francisco near the July 4th weekend. How busy do you think the superchargers will be in Northern California?
 

cpa

Active Member
May 17, 2014
3,005
3,708
Central Valley
I'm planning a road trip from Canada to San Francisco near the July 4th weekend. How busy do you think the superchargers will be in Northern California?

"Northern California" covers a lot of area and several choices of highways. Time of day might also factor into usage. Urban charging in the Bay Area will likely be much more crowded than rural charging along the highways.

I suggest that you plan your routes, your overnight stays, and your estimated times of day you will be driving. Then, look periodically at the Supercharger usage at the spots you intend to use starting a week or so before departure. This may give you an idea as to any potential sites where a wait might be in the offing at your particular time of day.
 
  • Informative
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roblab

Active Member
Jul 15, 2008
3,341
2,397
Angwin (Napa Valley) CA
If you MUST go on a weekend or a holiday, guess what!? The superchargers will be full. If you go earlier or later they will be empty. If you charge after you've driven all day, you'll find them full again. I'd recommend "go early, return early" or "go late, return late" and miss the traffic. Or you can book a motel with overnight charging, go late, stay, continue the next day. If your trip is going to be several days (cross country??) you'll find that charging late or early, or at 10 AM or 3 PM might be less congested. Seems like everyone wants to charge 8 AM or 9 PM. It helps if you can think and plan.

Tesla is building out superchargers as fast as their sub contractors can put them in, but it is common sense that building out for the least common situation is expensive.
 
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forkee

Member
Jul 20, 2018
770
957
Southern California
reserving an open spot just because you are on the way..NO.. you could be an hour out and someone could have juiced up in the meantime

reserving a slot in a virtual queue if all spots are full..YES.. it wouldn't need to rely on whether you are there or on the way, you just better be there when a spot opens up

problems arise as to how much grace period to give someone that is in the queue when that spot opens up. lets say you are #5 in line and you go down to use the bathroom. within 5 minutes 5 people leave at once. the queue says you're up but you're still going to your car. now there is an open slot just sitting there. what is to prevent anyone from just parking there and bumping you out of the queue. it's not like there is a red/green light at each supercharger.

showing how much charge is left on everyone's car doesn't mean squat. not everyone charges to the same amount, and one can charge to 90%, change their mind and set it to 95% or 100%. we all know time remaining is off, especially on that last 10%.

the way they have it now is really the only way they can have it. show availability before getting there so that you can decide whether or not it is worth your time to make a stop. there is too much variability otherwise.
 

ajdelange

Active Member
Dec 10, 2018
1,077
540
Virginia/Quebec
There are lots of things that could be done. Tesla knows where you are at any given time so a system could be put together where you request a reservation at a given location for an approximate time and Tesla, depending on what it knows about other requests, the locations of the other requestors, traffic and weather could assign a stall number at a given time and juggle the assignments as position reports from your car and others in the reservation queue come in. They could even determine that alternate routing to a charger different from the one you have selected might result in a shorter trip and suggest that. Software that does this sort of thing exists to assign airways and gates to aircraft. Tesla could do all this but why would they want to?
 

ohmman

Plaid-ish Moderator
Feb 13, 2014
9,895
17,891
North Bay, CA
I like the idea of geofencing an area around the Supercharger and enqueuing entrants first come, first served when the Supercharger is full. They'd have to work around GPS issues, because cars would have to be removed from the queue if they left the geofence (although the exit border would likely be made wider). But otherwise, it would be relatively straightforward and the car could roughly estimate wait times for expectation purposes, and let you know when you can approach and to which stall you've been assigned.

I'm going to say the likelihood of Tesla implementing such a system is near zero, however. At least not until queue confusion causes publicity issues. Long term solution is AP/Summon and some kind of automatic connection system. Emphasis on long term.
 
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dgatwood

Member
Dec 20, 2017
752
822
Sunnyvale, ca
I like the idea of geofencing an area around the Supercharger and enqueuing entrants first come, first served when the Supercharger is full. They'd have to work around GPS issues, because cars would have to be removed from the queue if they left the geofence (although the exit border would likely be made wider). But otherwise, it would be relatively straightforward and the car could roughly estimate wait times for expectation purposes, and let you know when you can approach and to which stall you've been assigned.


Yeah, just knowing how many cars are waiting at the full superchargers would go a long way towards:

A. Proving to Tesla that they need to double or triple the number of superchargers in our area.
B. Knowing which of the multiple 100% full superchargers to pick for the least horrific experience.
 

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