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Study: America's power grid isn't ready for electric cars

from CityLab

Since Texas and California consume more electricity than any other states, they provide a good snapshot of what a future filled with electric vehicles might look like. In both cases, an increase in electric vehicles would drive consumption higher, with the potential to strain local infrastructure. If virtually all passenger cars in Texas were electrified today, the state would need approximately 110 more terawatt-hours of electricity per year — the average annual electricity consumption of 11 million homes. The added electricity demand would result in a 30 percent increase over current consumption in Texas. By comparison, because of a more temperate climate, California might require nearly 50 percent more electricity than it currently consumes if passenger vehicles in the state were fully electrified. That means California would need to generate an additional 120 terawatt-hours of electricity per year. But perhaps even more important than how much electricity EVs would consume is the question of when it would be consumed. more


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