vehicle-to-grid
VEE-uh-kul too GRID
ˈviːɪkəl tuː ɡrɪdListen
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Dictionary meaning
a technology that enables bidirectional energy flow between electric vehicles and the electricity grid, allowing EV batteries to discharge stored energy back to the grid during periods of peak demand or when renewable generation is insufficient, and to recharge when generation is abundant and prices are low; vehicle-to-grid — V2G — systems effectively treat the aggregated battery capacity of a fleet of EVs as distributed grid-scale energy storage, potentially supporting grid stability, reducing the need for peaker power plants, and providing EV owners with a revenue stream from energy arbitrage; widespread V2G deployment requires compatible charging hardware, smart metering infrastructure, utility rate structures that compensate for exported energy, and battery management protocols that limit degradation from increased charge-discharge cycling
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