Comments by "Fred Bloggs" (@fredbloggs5902) on "The crushed desert rock battery gigafactory that was built in the desert" video.

  1. Agreed, converting a high-grade energy like electricity into low-grade heat for storage is literally insane.
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  2. Thermal energy storage is hopelessly inefficient when converting low-grade heat back into electricity. (Which is of course why they don’t quote the figures).
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