Vehicle-to-Grid (V2G) Technology
Context:
Recently, Kerala, in collaboration with IIT Bombay, launched India’s first pilot project to test vehicle-to-grid (V2G) technology.
Relevance:
GS-03 (Science and Technology)
Key Highlights:
- V2G Technology: V2G enables electric vehicle (EV) batteries to supply power back to the electricity grid when not in use.
- Modes of Operation:
- Grid-to-Vehicle (G2V): Grid charges the EV battery.
- Vehicle-to-Grid (V2G): EV battery discharges power back to the grid.
- Why V2G?
- Supports renewable energy integration by balancing demand and supply fluctuations.
- Acts as decentralised energy storage, especially useful during emergencies.
- Enhances grid stability and energy resilience.
- Global Leaders in V2G: Countries like the U.S., U.K., and Netherlands compensate EV owners for supplying power during peak hours.
- India’s Progress:
- Still in early stages, focusing more on EV charging infrastructure.
- The Central Electricity Authority (CEA) has set up a committee, led by its chairman, to examine reverse charging (V2G).
Prelims Question:
Q. Vehicle-to-Grid (V2G) technology, recently in the news, primarily involves:
A. Using solar panels to charge EV batteries
B. Discharging power from EV batteries back into the grid
C. Wireless charging of electric vehicles
D. Charging EVs using hydrogen fuel cells
Answer: B. Discharging power from EV batteries back into the grid
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