Monday, March 3, 2014

Off Grid EV Update: Tesla Model E to be 20% Smaller and Half the Price - Elon Musk | Electrek/Gas2.org

Big announcement from Tesla Motors' Elon Musk on the upcoming roll out of the Model E Sedan:

20% Smaller than the current Model S and HALF the Price.

New #Gigafactory to produce Battery Tech...

We think it's time for an EV for EVeryone.

Join the #EVreEVolution.

#ModelE #Tesla


model-e
By 2017 Elon Musk has promised that Tesla Motors will roll out an electric sedan with a 200-mile range and a price of around $35,000. Designed to compete with the BMW 3-series and Mercedes C-Class, a recent trademark application for the name “Model E” may indicate the name of this new, mass-market sedan. - Gas2.org


Elon Musk says mass market Tesla car (Model E) will have a ~48kWh battery, be 80% the size of the Model S



There is a lot of interesting info from a talk that Elon Musk gave at the CPUC last week. Of particular note, Musk gave some spec estimates for the mass market “Model E” vehicle expected to be released in 2017 with batteries coming from the Gigafactory. In the video above he says the car will have a 200 mile range and be 20% smaller than the Model S. Therefore the battery will need to have about 80% of the energy of the current Model S (Musk’s words). To be clear, since Tesla uses the constant sized 18650 cells (and looks to continue to do so) physical size and Watt-hours are fairly constant.
So given that a 60kWh Model S has a range of around 200 miles (EPA 208), that means that the Model E would need to have a battery around 80% the size of the Model S or 48kWh.
That’s still about double what leading ‘mass market’ electric cars have today. The Chevy Spark EV, with a range of 82 miles has a 21.3 kWh battery. The Nissan LEAF which has a 75 mile EPA range rating has a 24 kWh battery. The Chevy Volt has a 16kWh battery while the BMW i3 is 18.8.

Tesla cancelled its $49,000 40kWh battery Model S before it got an EPA estimate but most guesses were that it would get around 150 miles.  Add another 8kWh to the battery and take off 20% of the overall car size and 200 mile range seems doable.
Musk also mentions that besides the 20% drop in price, he expects economies of scale and other innovations to drop the price another 30% on the battery alone helping to get the Model E to around 50% the cost of the Model S at $35,000.

Tesla Superchargers represent the most advanced charging technology in the world, capable of charging Model S 16x faster than most public charging stations. We will soon roll out 120 kW Superchargers, which are 33% faster than our current version and can replenish half a charge in as little as 20 minutes, for free. It works by delivering DC power directly to the battery using special cables that bypass onboard charging equipment.
Select stations utilize canopies covered with solar panels to offset energy use and provide shade. Over the next few years, we plan to cover more stations in sunny locales with solar canopies as part of our commitment to the environment.(Tesla Motors)


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