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Real world numbers

Hey all. I drive about 25-30k miles per year. Can anyone provide me some real world numbers please. I average 24 mpg in my 2011 AWD Ford Edge or 2010 Mustang GT. What kind of range can I expect on the S I have ordered with the 85 kWh battery? What about when the car has 30k, 60k or 90k miles on it? Will performance and/or range suffer?

The rate one pays for electricity will obviously very much effect the economy of driving an EV such as the Model S. (We can hardly wait to get ours). We live in the Sierra Nevada Mountains/Foothills of California, near Yosemite, and have a 7.2 KW solar array providing electricity for our all electric home where we heat/cool with a geothermal heat pump and cook with an induction cook top.

We are PG&E customers, and generate more electricity than we use in the summer with afternoon rates of $0.27/ kWh. In the winter we use more electricity than we generate, but as we are heating our home with a rate of $0.10 a kWh, we come very close to breaking even on our electrical bill for the year. In all months, the electricity generated by the solar panels keeps us within our baseline allowance and thus at the lowest rates.

With an electric vehicle, PG&E offers a (single meter) plan E-9A, where the off peak rates, when we would charge the S, drop to $0.037/kWh in the summer and $0.047/kWh in the winter. Thus since having an EV combined with solar will not only allow very low cost charging, but will also likely LOWER our overall electricity bill! This E-9A rate schedule will cut in half the cost to heat our home in the winter and also slightly raises to $0.30/kWh the summer afternoon rates where we generate most of our excess power. Thus in California at least, the combination of solar and an EV seems to be a real winner.

@dstiavnicky , @Stark.

I'm in Georgetown and looking forward to getting my Tesla soon.
How long have you had your car for, and how does the car handle our icy roads?

Have you noticed any change increase in charging costs during the winter months? (I would expect it to take longer to charge due to a colder battery, and hence use more electricity)

Michael

Thanks for those that input data so far.

While the sample set is small so far, the avg W/mile is 340 for about 6500 miles driven. All three cars are 85 kwh batteries with one non-performance.

As more people enter their data it will be interesting to see how options such as wheel size plays out on these numbers.

Here is the form:
https://docs.google.com/spreadsheet/viewform?om=true&richtext=false&form...

I checked with FPL for rates in Florida; however, they do not make sense. You can get on a program with lower rates for off-peak hours when you charge your car, but in doing so, you have to agree to a higher rate during the peak hours when you are running an AC system for your house. Cost doesn't warrant the change in SWFL unless you drive 2.4 million miles a year,LOL.

Our situation is a bit different in that our heating costs (electric) are much greater than our summer AC costs because of our elevation and the insulation in the house. Our solar panels generate far more electricity than our house uses during the high $ summer hours so a rate system where juice is more expensive on a summer afternoon and cheaper on a winter night will work well for us. Now I just need my Model S to make it all work!


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