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I updated my Tesla log spreadsheet today, which happens to be exactly 19 months since delivery. Here's some tidbits:
Odometer: 29,653
Total energy used: 8,681.8 kWh
Efficiency: 292.9 Wh/mile -- that equates ~125 MPGe
I also track my Supercharges. After yesterday's day trip, I've now Supercharged 42 times at 24 unique Supercharger sites. 3 sites close to me (Wickenburg, Cordes Junction and Flagstaff) now have 3 visits each. Here are some stats on Supercharging:
Total Rated Miles added by Supercharger: 4,815
Estimated kWh added by Superharger: 1,444.5
Average Supercharging speed: 123 miles added per hour of charge
Average Supercharge duration: 56 minutes
Average cost per Supercharge: $48 ($2k option / 42 visits)
Average cost per kWh: $1.38 (so 23x the cost of charging at home…)
Average cost per rated mile added: $0.42
Since the cost was one-time, the average cost will continue to go down with more supercharges. If I keep the car for just over 4 years, the option would have cost $50/month -- so less than one tank of gas per month of ownership.
% of total miles added by Supercharging: 16.3%
Excluding Superchargers, the car has used ~7,238 kWh. Most of that was charged at home, some was via public chargers and a few charges at either my parents or in-laws. We pay about 6-7 cents per kWh at home, so the total cost of charging at home was under $500 -- for the ~25k miles I've charged at home. That's 2 cents per mile!
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ZBB
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