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What's the best way to report a bug to Tesla's connected car API folks? I've got multiple Tesla's where the charging state coming back via the Tesla API changes from a reasonable value to Complete. This happens both when a car is plugged in but charging stopped, and when the car is...

The car was at home, then started moving somewhere between events 1 and 2. The lat/long showed the car was basically moving on one road for 14 miles - fully consistent with the odometer reading. Then, it's like the odometer got reset to the value before the trip started. These logs are from...

Hi all, I was analyzing some data from a Model S, and noticed it lost 14 miles from the odometer. Consider the events below. The car moved 14 miles between the first and second events - verified by looking at the lat/long values for the car. We got another sample with a similar odometer...

Would written comments from someone who doesn't live in California get read by commissioners and/or staff? Or should I try to join between 4:05 and 4:30 Wednesday? What's the format - 3 minute comment, with no expectation of interaction from commissioners? (I'm more used to talking in Olympia...

Thank you for posting, and for working in the underappreciated regulatory arena. To help inform everyone in this debate, the CPUC could help greatly by doing a few things: 1) Get utilities to acknowledge the benefits of avoided transmission costs and potentially distribution system deferrals...

I drove to the Tumwater Supercharger for R&D purposes. Here's the charging power I got tonight, using my Model 3 Performance. It maxxed out at 250 kW exactly, for about 30 seconds. I had been driving approximately the speed limit on I-5 for over an hour before charging, and had selected this...

With my Model S, I've recently noticed that the Tesla mobile app won't stop charging the car. The app thinks it is stopping charging, but charging continues unabated. This used to work, but seems to have broken sometime within the last two weeks or so. Coincidentally, I did get a software...

I was curious how fast the V3 Superchargers were. Here are my results, with a 2018 Model 3 Performance, going from 6% state-of-charge to 100% (though my range only showed as 300 miles). My peak charging power was 197 kW. There were other people charging at the Supercharger. I think some of...

FYI - I found these options codes for a not-yet-delivered Model 3. They include two not listed in the options web site - SU3C and AU3P...

Fascinating, and disturbing. You'd think that Colorado could implement some kind of environmentally preferred dispatch, or the wind plants could say they have a marginal cost of 0, so utilities are best off taking power from them. But I see how that depends highly on the local structure of the...

This is why environmentally we are better off charging at off-peak times. If we can lower a utility's peak capacity needs throughout an entire year by spreading out charging overnight every night, then we can make it easier for them to shut down coal plants. However, utilities have different...

Two words: Demand charges. Comparing the retail price for residential electricity with the industrial price for EV chargers doesn't work, because utilities have extra costs associated with serving large loads. IE, they may need to rebuild their distribution lines, or dedicate some portion of an...

I'm curious, for people with solar on their roof where they charge (either at work or at home), do people have any tradeoffs between driving on solar vs. selling power back to the grid? For example, if your utility has high prices during the day and will buy power from you during the day...

FYI - here's what charging speed over time looks like for a Supercharger. This is my Model S going from 10% charge to 95% charge in about an hour. The temperature was around 60 degrees F, and temperature does affect your charging speed. If it's ~80 degrees F or warmer, the Model S will have...

Don't forget that many EV charging stations have to pay demand charges, which complicate electric pricing. IE, if they can charge several cars with a fast charger, they may pay a lot of additional money based on the peak usage in the highest 15 minutes of usage for the whole month. Demand...

@dpskipper, Another suggestion for Tesla API: Is there any way to get a limited access security token with less permission than a user’s password? Specifically, I want to be able to control when a car charges, check its state of charge & location, and perhaps start the climate control systems...

Do you guys have regular meetings once a month?

This is for me and two friends at this point. Through my volunteer work with an environmental group, I've helped shut down half a coal plant (2 of 4 boilers). Now after driving my Model S for a few years, I'm looking at lightening our footprint on the Earth through more ecologically sound EV...

That's sad to hear, BerTX. Do they also charge you time of use rates? One idea I've been thinking about is shifting your car charging times to match solar production. This is a bit tricky, if you have net metering coupled with TOU rates. If you have flat electric rates, this is a no...

Thanks!

Hi all, I'd like to understand when and how you charge your car better. Would you mind filling out a brief survey? I would really appreciate the help. EV charging behavior survey

Using the Tesla API, how can we tell whether a vehicle is a Model S or a Model X? Will a Model X have an option code like MX01 instead of the Model S's MS01?