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Vehicle-to-Grid (V2G) Technology

The Kerala State Electricity Board (KSEB) and IIT Bombay have launched a pilot project to explore V2G technology. The goal is to assess the feasibility of using electric vehicles (EVs) to support Kerala’s electricity grid, especially during peak demand hours.

What is V2G?

  • Vehicle-to-Grid (V2G) refers to a system where electric vehicles (EVs) not only consume electricity but also send power back to the grid when needed.
  • This is made possible through bi-directional chargers that allow EVs to both charge and discharge.
  • Key Modes:
  • G2V (Grid-to-Vehicle): EVs draw power from the grid to charge.
  • V2G (Vehicle-to-Grid): EVs supply power back to the grid.
  • Other variants:
    • V2H (Vehicle-to-Home): Powers household appliances.
    • V2V (Vehicle-to-Vehicle): Transfers charge between vehicles.

Global Applications:

  • It is widely tested in Europe, U.S., and Japan.
  • In countries like the U.K. and The Netherlands, EV users are paid for supplying electricity during peak hours.
  • California uses V2G for grid stability and emergency backup during climate disasters.
  • Electric buses have been successful in V2G pilot programs globally.
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