Supercharging Estimated Costs

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  • #574
    Paul Carter
    Club Admin
    @pcarter

    Tesla Model S/X ordered after January 15, 2017

    Some math for the 90 and 100 packs (<1% to 90%) for British Columbia (BC) and Ontario (ON)

    90 Pack: ( 70 minutes charging from bottom of pack)
    30 minutes >= 60 kW @ BC: 28 cents: $ 8.40 / @ ON: 26 cents: $ 7.80
    40 minutes < 60 kW @ BC: 14 cents: $ 5.60 / @ ON: 13 cents: $ 5.20
    Total: @ BC $ 14.00 ( ~ 18.7 cents / kWh) / @ ON: $ 13.00 ( ~ 17.3 cents / kWh)

    100 Pack ( 65 minutes charging from bottom of pack)
    50 minutes >= 60 kW @ BC 28 cents: $ 14.00 / @ ON: 26 cents: $ 7.80
    15 minutes < 60 kW @ BC 14 cents: $ 2.10 / @ ON: 13 cents: $ 5.20
    Total: @ BC $ 16.10 ( ~ 18.5 cents / kWh) / @ ON: $ 14.95 ( ~ 17.2 cents / kWh)

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    • #581
      Paul Carter
      @paul-carter

      Hmmm. Somewhere I think I read that if you’re sharing a supercharger (A/B posts) with someone else, you’re billed at the lower rate. Correct me if I’m wrong, but wouldn’t you get greater than 60 kW if your post partner was close to charged? Frugal owners who aren’t in a big hurry will probably start looking to pair with someone else to save a couple of bucks… LOL

      I don’t know if it’s been explained… in jurisdictions where the cost is charged by the kWh, is that kWh in the battery, kWh of DC consumed or kWh at the Hydro meter? With losses, more will be consumed at the meter than added to the battery with DC somewhere between.

      While people will likely be happy to accept the rates as they’ve been set, it sure would be nice to see a kWh price applied instead, because your cost will be entirely dependent on the state of your battery when you arrive (temperature, charge level). Imagine buying gas based on the time you’re at the pump, or how full your tank is when you arrive.

      • #582
        Paul Carter
        Club Admin
        Club Admin
        @pcarter

        Yes you will be billed at a lower rate while paired, but your charging time will likely double, so its just a wash really. It may have a small window to give you > 60 kW if you join a pair in which the other Tesla is now down to < 60 kW. I believe its how much has been added to the car as per your car's system (blog states it as "energy delivered to the vehicle"), thus likely kWh consumed from the utility would be higher. Its a real bargain considering the private sector is going to charge around 35 cents / kWh. As Tesla said, this isn't a profit centre, so its very close to cost. (Remember this is demand charge rates, not our great home rate of ~ 11 cents / kWh including taxes). I'm sure Tesla will apply for the exemption and will get it. Bakerview EcoDairy got it: http://www.ordersdecisions.bcuc.com/bcuc/orders/en/item/144369/index.do

        [small]Vice President (March 2021 to Present) | Founder & Past President (February 2016 to March 2021)
        Events & Social Media Commitee Member

        All electric fleet: 2017 Tesla Model X P100D | 2018 Tesla Model 3 Performance | Zero S motorcycle
        [/small]

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