Stanford Study Forecasts Troubles With Nightly EV-Charging
In a study, researchers at Stanford University examined the demands on the power grid with the increase in electric cars in the United States. With projections to 2035, the researchers expected a 25 percent increase in electricity demand in their models, which included the U.S. West Coast with 11 states and 75 million residents, and as much as a 50 percent increase in demand in maximum calculations under stress.
Overview of Modelling Approach
At peak demand, researchers point out that electric utilities need to move away from a model that incentivizes electric car owners to charge at night. Today, the nighttime rate is the cheapest and car owners charge their vehicles at night. But with the expected increase in demand when the fleet is fully electrified, the current model would unnecessarily bloat the electricity infrastructure. Instead, the researchers suggest making adjustments to electricity rates that spread electric car charging throughout the day.
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This article has also been published in German.
