Tesla Owners Use 3 Times More Power While You Dream

Tesla Owners Use 3 Times More Power While You Dream

Most of Tesla Motors Inc (NASDAQ:TSLA)’s Model S owners are affluent people. A recent study by Opower reveals that electric car owners are consuming “gobs of electricity” while most of us dream of owning an electric car one day. Most EV owners live a large life. They have bigger houses, more amenities, and are more likely to have a rooftop solar system that sends energy back to the utility grid.

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Utilities offer incentives to owners of Tesla and other EV owners

Households with electric cars consume a lot of electricity to get charged up for the next day. That could pose a real problem in the long run. As EVs go mainstream, utilities will have to urge customers not to plug in during peak hours of energy demand. Huge electricity demand in the afternoon is known to destabilize the electric grid.

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Therefore, utilities in several states including Texas, California and Georgia have started offering incentives toward off-peak our car charging. People who sign up for this program get discounted electricity between midnight and 7:00 a.m. Data collected by Opower show that these incentives have worked well. Opower has the database of more than 50 million households. It provides a software to utilities that helps them become more efficient.

Tesla owners still consume more electricity

In many households with electric cars, power consumption rises four times the typical levels at night. The data includes EVs including Tesla Model S, Nissan Leaf and other plug-ins. Opower compared data from 2,000 households in the western U.S. that charge their vehicles at night, to data from about a million typical households.

Tesla Three Times

Between midnight and 7:00 a.m., households with EVs consume three times as much electricity as non-EV owners. Energy use in EV households spikes around midnight, and begins declining toward 6:00 a.m. Interestingly, EV owners still consume 21% more electricity than their peers during the day. That may be because they have larger homes and bigger amenities.

Tesla shares fell 3.15% to $215.65 at 12:15 PM EDT on Tuesday after a Model S crash in California.

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  1. Big red flag
    Look at the energy usage of the “average” home. Looks to me around 18 kwhr per day. That is low, really low. That is ~550 kwhr per month.

    If you want the average household consumption in the US consumes 903 kwhr per month in 2012 when EVs were not present in any great numbers so not enough to skew the average. This can be found


    If you want to cite a study, please sanity check said study with present well known data. Quick google search of “average household energy consumption US”

    My guess is that in the Opower data there is alot of vacant houses or houses with solar or other means of generation which is skewing the data (just a wild guess).

    If Opower and the US energy information administration vary alot, I would be highly suspect of such data regardless of the survey.

    Kind of a moot analysis anyway; we know EVs charge at night, saying the charge and draw power when everyone is alseep and making such a comparison is just odd. Kind of like saying your microwave draws massive power around 6 PM and 7 AM every day.

  2. Pretty useless article if you ask me.

    First, the article singles out Tesla in the article title and both article sections as if a Tesla is somehow worse than other EVs. This is obviously to click troll and attract page views because Tesla is popular; article itself has nothing to do with Tesla save the fact it is electric; like many other cars are. That or the author and website have something against Tesla.

    Second, you don’t need a study by anyone at all to tell you how much electricity an EV uses and at what times people charge them. Everyone who knows anything about electric cars or understands their electric bill knows they charge late at night because electricity is cheaper. Also the size of the car’s battery (capacity) tells you how much electricity it uses to charge from empty to full.

    An average U.S. household uses up to 24kwh of electricity per day. A Nissan Leaf EV has a 24kwh battery pack that allows it to travel 80 miles on a full charge. In other words you use the equivalent a household’s daily electric use per every 80 miles you drive. Although this seems like a lot it really is not when you compare what electricity actually costs if you pay attention to your bill.

    Average U.S. electric rate is 0.12 cents per kwh. Like I mentioned a Nissan Leaf has a 24kwh battery for traveling 80 miles. We multiply 24 x 0.12 = $2.88 and you conclude you pay $2.88 per every 80 miles you drive. An average gasoline compact car can do 30 mpg and gasoline costs close to $4 dollars per gallon.

    So with an electric car you drive 80 miles for $2.88 and with a gasoline car you drive 30 miles for $4 dollars or for a better comparison 80 miles for $10.66. 10.66 divided by 2.88 = 3.7.

    So all in all an electric car is nearly 4 times cheaper to drive and own than a gasoline vehicle.

    Also these reports never take into account how much electricity and energy is used in the drilling, refinement and transportation of gasoline all across the world. With the money and electricity used every day to maintain our gasoline addiction we could improve our electric gird tenfold and make this whole article mute and study.

    That’s why this article is useless.

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