Tuesday, June 22, 2021
Home Climate411 The battery invented 120 years before its time—OR NOT

The battery invented 120 years before its time—OR NOT

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So, BBC implicitly suggests we use a battrolyzer to compressively store green ~30% of wind nameplate capacity (its capacity factor) at a battrolyzer efficiency of maybe 65%, netting (0.3*0.65*0.9) ~18% energy storage efficiency. Then we use that at about at best ~60% efficiency to regenerate electricity for the grid, a net round trip efficiency of maybe (0.18*0.6) 0.11% from the originally subsidized renewable generation. What a great deal–NOT.

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