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Power Usage for charging your car in AZ

Discussion in 'Mountain/Southwest' started by gjunky, Dec 2, 2014.

  1. gjunky

    gjunky Waiting for the Model ☰

    Joined:
    Mar 26, 2012
    Messages:
    983
    Location:
    Scottsdale, AZ
    I am starting to plan for our Model X and as part of this, we installed solar at the house. We over-sized the installation to allow for the extra draw of the Tesla. We collected about 10 month's worth of usage numbers which is giving us a better idea of the actual overage we have. (we are still in the + after the summer months and didn't start until Feb)

    Now my question is: How much will it actually take to keep the Tesla charged?

    First a few assumptions:
    • Average number of miles per year of 12,000
    • Location: Detached garage in Scottsdale
    • 85kWh Battery (we'll have to see what will be available)

    The reason I posted this question here is because of the unique heat issues while charging the car in the middle of a hot garage in the summer.

    I am hoping someone installed a usage meter on their charger in the Phoenix area to get a better idea of the usage. My assumption is that numbers from other areas really don't give the right picture of charging in the heat. Did anyone install additional cooling / ventilation in their garage?

    Thank you in advance for any information.
     
  2. ron8853

    ron8853 Member

    Joined:
    Aug 1, 2012
    Messages:
    59
    Location:
    scottsdale
    gjunk

    Monthly average for 12 month period ending 11/14 is 543kWh. 85 battery. 1500 mi/month.

    Vehicle is charged only between 11PM and 5AM on APS "ev rate"...their term is "other peak"
     
  3. gjunky

    gjunky Waiting for the Model ☰

    Joined:
    Mar 26, 2012
    Messages:
    983
    Location:
    Scottsdale, AZ
    Thanks Ron.

    Is this just the car or your entire house? If it is your entire house, how much was it before you had the Tesla?
     

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