On 5/16/23 10:32, Josh Landess via EV wrote:
In addition to what was covered in the article, the main thing that Tesla is doing to incentivize me to get out of the 2015 Model S 70 I am driving is to reduce the speed of the supercharging.  It maxes out around 70 and pretty quickly gets below 60, 50, 40. Road trips, even when the charging is free, are hard when you have to spend an hour at a supercharger so frequently.  I have looked into paying for an upgrade to 90 kWh, and they would be fine to sell me that, and it would not invalidate the free supercharging, but they explicitly told me that this would not necessarily result in a supercharger speed improvement.  I would speculate the lack of clear path to paying for improving the supercharging speeds is deliberate.  The net result in my view is that the long-term value of the vehicle is diminished, without apparently breaking any agreements.

I intended to respond to the original post several days ago. But, did not get around to it.

Tesla seems to be offering two free SuperCharging, each for three years, for S & X.  If you buy a new S or X soon, you can get one deal.  If you trade in (or allow Tesla to take away free SuperCharging) a S or X with free SuperCharging, you get another three years.

I have a little used 2013 MS (160k miles with range down from ~270 miles to ~230) that I would be a candidate for giving up the SuperCharging.  My most driven car is a 2018 M3 with free SuperCharging (93k miles with range down from ~320 miles to ~250) that will keep it's SuperCharging).

Given the above, I was seriously considering a new S or X on which I could get six years of free SuperCharging.  Low TSLA price deterred me.


There is a question out there for economists to calculate the value of any  electric vehicle that comes with long-term free transferable dc fast charging for the life of the vehicle.  I have to believe that the free supercharging Teslas would be candidates to have their marketplace value rise and not fall, depending on certain factors.  However, this business of Tesla reducing the supercharging speed of those vehicles I think accomplishes Tesla's apparent goal of reducing the value of the vehicle to the drivers.  Perhaps this is helping them repatriate some of those vehicles and remove the supercharging obligations from their books (if they have an accounting treatment for it).  I also wonder if there are economists who have tracked down whether Tesla publishes anything for this obligation in its financial statements, and if so, what can be gleaned from any value that Tesla is putting on the charging and the vehicles.

I have no clear concise answers to those questions.  Back in 2012-2013, it was thought that the free SuperCharging was valued at about $2k.  A S60 was offered with either free SuperCharging or not.  With a $2k difference in price.

I recognize that my infatuation with free SuperCharging is not entirely rational.  My SuperCharging use is at least 10k miles/year, perhaps as many as 20k miles..  It seems like paid SuperCharging is now up around or above $.35/kwh.  That would be more than $.10/mile.  My home charging costs me between $.03 and $.10 /kwh.  $.01 to $.04 /mile.  Paid SuperCharging would likely cost me at least $.06/mile more than charging at home.  So, I might put the value of free SuperCharging to be at least $600/year.  Unless I've made some arithmetic error(s). :-)


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