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Power Usage for charging your car in AZ

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gjunky

Trifecta: Solar and both cars are EVs
Mar 26, 2012
1,268
438
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.
 
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.

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"