Parked electric vehicles plugged into the electricity network with charged batteries could sell stored power back through the network. Nissan is the first to qualify a car battery system to sell its stored power into an existing market for primary regulation services to maintain grid frequency
IN THEORY
Parked electric vehicles plugged into the electricity network with charged batteries could be enabled to sell stored power back through the network
IN PRACTICE
Nissan is the first to qualify a car battery system to sell its stored power into an existing market for primary regulation services for the maintenance of grid frequency
MISSING
A commercial driver for power networks or their customers to buy electricity specifically from privately owned car batteries
CONCERN
Charging from or discharging to the electricity network by concentrated numbers of battery vehicles at the same time may create problems for local security of supply, but can be mitigated with time-of-use incentives
OUTLOOK
Uncertain future for selling electricity to the grid from electric car batteries because of uncertain value of doing so
NEXT STEP
More research into power system needs and the impact on networks of charging electric vehicles ...
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