Tesla underestimate how much to charge a cu Model S

Tesla's website has a calculator to determine how much it costs to collect a Model S. In theory, one reason to buy an electric car is that it is more economical to charge filling a car internal combustion engine (ICE) with gas or diesel. However, at least in northern California, where there are a large number of Model S 'being driven, if one were to charge an S model home could cost more for electricity than the equivalent amount of gas at a gas station.

In Northern California, the average price of regular gasoline was $ 2,295 per gallon for the week of February 22. average degree costs $ 2.415 per gallon and premium was $ 2,528. The average miles per gallon for light car or truck has increased 22.4 mpg in 2011 to 23.6 miles in 2012 to 24.1 in 2013 to 25.5 May 2015. course start site is 40 miles Tesla for a car to be driven in a day, 25.5 mpg and cost $ 2,295 per gallon cost $ 3.60 for refill.

The key figure in the Tesla website to calculate how much cash a Model S is the price per kilo watt hour (kWh). The website has a national average of $ 0.12 per kWh which can be a bit low (the Energy Information Administration of the United States, EIA, had it in $ 0.1273 in November last year), but overall near enough. For some extra detail here is an approximation of the average cost of electricity by state and type of customer for the EIA. It's a little interesting that Tesla is optimistic about its financial guidance related to electricity tariffs historically been lost.

However, at least in Northern California where I live electricity costs can be much higher. PG & E has four levels of electricity prices from $ 0.18151 per kWh for the reference quantities ranging up to $ 0.34876 per kWh for Level 4 at 201% of the baseline. A model S 'electricity should be gradual to the amount of a residence used so probably will be billed at the highest level, since it does not take much to get to 201% of the reference quantity.

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