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# Waymo's Used Robotaxi Batteries Find Second Life in Grid Storage
- URL: https://adjacent.media/signals/waymos-used-robotaxi-batteries-find-second-life-in-grid-storage/
- Published: 2026-06-06T10:03:54.000Z
- Updated: 2026-06-06T10:03:54.000Z
- Description: Waymo and B2U Storage Solutions are creating a closed-loop supply chain where degraded EV batteries—no longer efficient enough for autonomous vehicles but still holding 70-80% capacity—become grid-scale energy storage.
- Author: Jonathan Greene
- Tags: #signal, theme-connected, infrastructure, energy, circular economy

Source: [Slashdot: Hardware](https://hardware.slashdot.org/story/26/06/04/1955206/used-waymo-robotaxi-batteries-become-backup-storage-for-power-grids?utm%5Fsource=rss1.0mainlinkanon&utm%5Fmedium=feed)

Waymo and B2U Storage Solutions are creating a closed-loop supply chain where degraded EV batteries—no longer efficient enough for autonomous vehicles but still holding 70-80% capacity—become grid-scale energy storage. This partnership addresses a concrete problem in EV adoption: disposing of millions of batteries reaching end-of-life over the next decade. It also provides utilities cheaper storage than new battery packs, which could accelerate grid decarbonization in regions with high renewable penetration.