how much power to run an electric car?
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The rule of thumb number used for energy required for EVs in normal driving is 25 KWH for 100 miles. Large cars will need more and small cars will need less.
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So therefore if the draw on the battery is very high eg 12v x 100,000 amps ( I would like to see the construction of this battery) = 1,200,000 watts. Eg when you start your engine your starter motor will draw a lot of electricity ( a starter motor is vertically a dead short.)
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If electricity costs $0.11 per kilowatt-hour, charging an EV with a 70-mile range (assuming a fully depleted 24 kWh battery) will cost about $2.64 to reach a full charge. This cost is about the same as operating an average central air conditioner for about 6 hours.
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Battery capacities of current EVs range from a mere 17.6 kWh in the Smart EQ ForTwo with a range of just 58 miles, up to 100 kWh in the Tesla Model S and Model X that can run for over 300 miles before needing a charge.
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The Cost of Power If you drive an average of 25-30km a day (like most Kiwis), the cost of charging an EV is equivalent to paying 30c per litre for petrol. You can charge your EV while you sleep for about $3.00 per 100km, depending on the model. A fast charge can cost up to $10 for 100km, and takes about 20 minutes.
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So recharging an electric vehicle can take between 50 hours to as little as 10 minutes, but those are both extreme examples. If you live in the suburbs and drive around 10,000km a year – in a high-performance Tesla – you'll be averaging no more than 200km a week.
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Although the Superchargers are technically capable of 150 kW, Tesla cars restricted the power to 120 kW, but boosted that to up to 150 kW for the Model 3 Long Range and the 100 kWh versions of Models S and X in 2019.
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The cost to charge an electric car in the UK varies between home, work and public charging. For a typical electric car with a 60kWh battery and ~200 mile range: Charging at home: Costs about £8.40 for a full charge.
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Electric vehicles are all about low running costs and emissions and win out against hybrids on both counts. Pure electric vehicles can have a range of up to 325 miles, with an average of 194 miles on a single charge.
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An electric car will save you $632 per year on average over its gas-powered counterpart. Generally, it costs $1,117 per year to run a new gas-powered vehicle, and only $485 per year to run a new electric one.
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Electric cars today are absolutely practical for long distance driving provided you have high power DC charging utility along the journey(250kW charging capacity or higher). Let me give a example of a Tesla car, Model 3 with a range of 322 miles.
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Charging an electric car at home costs about £8.40 for a full charge and is the most convenient and cost-effective way to keep your car fully charged. Most drivers will charge their electric car overnight, waking up to a full battery every morning. Average domestic electricity rate is about 14p per kWh.
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Depending upon where you live, charging an electric vehicle typically requires 7 or 9 solar panels. Again, it's worth noting that these calculations are based heavily upon the assumption that you drive the same amount per year as the average American driver.
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Standard electrical outlets: Many electric cars can simply be plugged into a standard electrical outlet that can be found in any home. The common home outlet puts out 120 volts of electricity, which is a relatively small amount considering what's needed to charge an electric car battery.
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Summary. The cost to charge an electric car in the UK varies between home, work and public charging. For a typical electric car with a 60kWh battery and ~200 mile range: Charging at home: Costs about £8.40 for a full charge.
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Instead of a regular car battery that will last the average driver about 3 years, the Nissan LEAF electric car relies on a 30 kilowatt-hour lithium-ion battery that may go for up to three times longer (8 to 10 years.)
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All of the electricity we use in America is domestically produced, and that's a large part of why the cost remains stable. The average cost of electricity in the US is 12 cents per kWh. Therefore, the average person driving the average EV 15,000 miles per year pays about $540 per year, or $45 per month, to charge it.