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My PW can run my house for about 24 hours if I'm super careful about what's left on. Having said that, the solar charges it up again so I don't need that long. Also in northern cal but was never shut off in my small neighborhood.

Yes - though that underestimates as I was also a net provider of electricity. Where I live, the rates spike high in summer afternoon, so the dollars climb more quickly than the consumption. So far, our net cash flow is very positive from the solar investment.

Yes, you're exactly right. Good catch. Should be 34.2. I corrected test 1 for this - rounded figure changed to $.06 / mi from $.05.

Just double checked my spreadsheet and scratched my head until I realized I pasted a screenshot with an error I later corrected. The actual charge should not be 30.3 or 31.6, but rather 33.0. 31.6 is the actual amount, but I grossed it up because it charged to 237 rather than 247 (so I...

Cool thanks for laying it out. Should be able to apply that.

Immediately or close to it. I charge at 4:00am, so this morning I actually saw it complete the charge real time. I assumed that everybody had this variation, but it looks like I need to investigate...

My electricity bill kept climbing until it was over $400 / mo., and that's without running AC very much. I installed a Tesla 7.93kW system plus a powerwall. So far it's been a great investment. No out of pocket expense, just a loan payment of $193 / month - 1st installment paid 6 weeks after...

That's a significant amount of complexity, though to fully digest and even implement into a new test will require more time than I have now. Still important learnings - all the responses have taught me a lot, so thanks...

Makes sense. Question - do you trust the dashboard data's accuracy? I was trying to run my calculations without trusting it (hence odometer miles, which I do take on faith, and power measured from the wall rather than the car. I ask because it seems that even under the most optimal driving...

How do I check this?

Nobody is touching the slider. It never seems to charge to the same number. I true it through a straightline fraction to accommodate the small difference for the mileage calcs

If by "vampire," you mean the leakage that exists when the car is idle, it's worth noting that these numbers include the car being parked in SF for about 10 hours, so some of that 10-15% may be in the result already. Other points noted for future consideration...

Don't disagree. I may run more tests and recheck data integrity, especially grid usage measurement. But for now, this is what I have...

So last week I posted the results of my wife's commute to work, and got a cost about $.05 / mile to run the vehicle (based on $.23 electricity rates). The result came in lower than most people expected, and the general feeling was that I had made an error (don't think so) or that rounding...

Yes, I have the charger set to around 250 miles, which is close to 80%. I try to avoid charging to 90% as it (according to most experts and E.M. himself) degrades the battery faster. I wasn't aware that the stated-range accuracy would vary by charge percentage. So, that would be another...

Thanks I am with PG&E and I think I will look into the plans again. I ran some simulations and the EV plan was not the most economical for me - don't remember why. Two factors to consider are that I have a large solar array and offset my grid pulls, and my wife can charge at work for free...

Ultimately it's a small sample and prone to error, but these are the numbers I got. The process was to charge the car to a specific range, drive it to work and back (that's the 39 miles) and measure the electricity consumption (from the grid) necessary to return the range to the pre-commute...

I expect over the longer run you're right. This was a very small sample.

You certainly are - that's a really low electricity rate compared to mine!

Perhaps I'm missing something, but it cost me a total $1.93 (true cost calculated from my grid usage, not from the car) to drive 39 miles. That's about 5 cents a mile.

We have a Model 3, dual motor, with 310 mile range, run it pretty easy on chill setting, and don't use auto pilot.

So your rate is about half mine and cost per mile is just over half mine. Mine is a Model 3 which is probably a bit lighter, and our weather is good for range (and my wife drives the car, and takes it pretty easy (chill setting etc.), so I'd say the results more or less foot...

I've been curious and have run some back of the envelope analyses to evaluate the true cost per mile of our Model 3, but just put some "harder" numbers around it, based on one round trip commute (small sample I know). In particular, I wanted to compare it to my wife's old Prius, which we could...

I have set up a service appt and they appear to be willing to work through this with me, though I have not asked for a credit for the damage yet...

I touched the screen, and waited for the instruction to put the car in reverse

No, a sedan

They finally replied to my email yesterday and asked that I contact Customer Service, so there's that at least...

Probably a good idea

I was in a parking lot with perpendicular parking spaces. I had the parked cars to my right and got the signal when a space appeared. The monitor showed the space (I was several cars past it) as the blue outline about where it ought to be. The rest is as stated - I put the car in reverse when...

Yes, it's the first time I have posted. I've only had the car 1 month. Not sure why I would make something like this up

Thanks for the insight, and I can understand how sonar might be inferior as a sensing device. Still, the acceleration was a little scary and perhaps a problem with a different root cause.

Yesterday I tried the auto park feature. I engaged it 3 times - the first went fine, as expected. The second time I used it, I followed the prompt to put the car in reverse. It raced backwards until I hit the brake. Assuming I'd perhaps done something wrong, as the car and Auto Park are...

So I realize this post is from 2017, but this exact thing happened to me yesterday, over 2 years later...