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by JumpCrisscross
777 days ago
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> An optimal "synthetic baseload" for the US from wind and solar might use 6 hours of battery storage (and e-fuels) This tempers high-frequency variation. The 2% over a full year lower-frequency variation is the problem. You’re proposing good ideas. But they’re untested and contain fundamental engineering risk. It’s similar to when pro-nuke folk assume SMRs will happen; hence, the analogy. |
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Right. And that's where the e-fuels come in. Using batteries for that storage problem is absurd and unnecessary. The argument that renewables can't reach 100% because batteries can't do year-scale leveling is a strawman argument. It's bad engineering to try to use batteries for that use case. And because 2% (say) is such a small fraction of the total demand the low round trip efficiency of using e-fuels for grid storage doesn't hurt much overall.