V2G Technology

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  • V2G Technology: Enables EVs to discharge power back to the grid, acting as decentralized energy storage.
  • Pilot Project: Kerala, in collaboration with IIT Bombay, has launched a project to explore V2G implementation.
  • Modes:
    • Grid-to-Vehicle (G2V): Charging EVs from the grid.
    • Vehicle-to-Grid (V2G): Discharging EV power back to the grid.
  • Need: Supports renewable energy integration, enhances grid stability, provides emergency power, and offers decentralized storage.
  • Global Adoption: U.S., U.K., and Netherlands are leading in V2G adoption, compensating EV owners for supplying power during peak demand. California encourages participation in grid stability services.
  • India’s Status: Early
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    stages, focusing on EV charging infrastructure. CEA has formed a committee on reverse charging. Current market structure not suited for V2G.
  • KSEB-IIT Bombay Project Goals: Assess EV’s ability to support the grid during peak demand when solar energy is unavailable.
  • Benefits for Utilities: Smart charging and V2G integration can
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    turn EV charging from a challenge to an advantage. Encourages EV charging during high solar generation times.
  • Regulatory Changes Needed: Supportive changes are required to mainstream V2G in India, given the variable nature of renewable energy.
  • Decarbonization through RE: V2G enables EVs to act as a storage source for excess solar generation, which can be used at night, thus enabling decarbonization with RE.
  • Grid Stability: V2G can modulate EV battery power to reduce the impact of variable RE on the grid.