Tiny rewards can protect the grid from a surge in electric vehicles

image via New Scientist

May 2, 2025, 5:10 PM

• •Financial incentives successfully shifted electric vehicle charging to off-peak hours.
• •Behavioral nudges were ineffective in changing charging habits.
• •Incentives need to be continuous to maintain changed behavior.

A study revealed that financial incentives are effective in encouraging electric vehicle owners to charge their cars during off-peak hours, thereby easing the strain on power grids. The research, conducted in Calgary, found that a small monetary reward significantly shifted charging times, whereas behavioral nudges had no impact. The financial incentive, equivalent to about $10 per month, prompted a 50% reduction in peak hour charging. However, the altered charging habits reverted to the previous behaviors when the financial reward was discontinued.

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