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beatthestupidout t1_irzwp45 wrote on October 12, 2022 at 8:13 AM

Reply to comment by Kurigohan-Kamehameha in Geothermal May Beat Batteries for Energy Storage: Enhanced geothermal systems are well suited to store excess renewable power as heat. by filosoful

Look up superconducting ring storage. Same concept, but with electron momentum. Don't warm them up above the critical temperature though - that energy has to go somewhere!