All glossary
Second Life

What is Vehicle-to-Grid (V2G)?

Created September 11, 2026
Last updated September 15, 2026

Summary

Vehicle-to-Grid (V2G) is feeding energy from an EV battery back to the grid.

table of Contents

Vehicle-to-Grid (V2G) is the technology that lets EV batteries discharge stored energy back to the grid, turning vehicles into flexible storage.

  • Why it matters: A rising topic linking EVs, storage and battery value

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Other useful related terminology.

Battery Circularity

Battery Circularity is keeping batteries and their materials in use for as long as they're useful.

Battery Energy Storage System (BESS)

Battery Energy Storage System (BESS) is a system of batteries that stores energy and releases it when needed

Repurposing

Repurposing is adapting a battery for a different use.

Reuse

Reuse is using a battery again as-is, without reconfiguring it.

Second Life (2L)

Second Life is a battery's use after its first application.

Total Deployable Cost (TDC)

Total Deployable Cost (TDC) is the real cost of putting a battery to work, not just its price.

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