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this post was submitted on 01 Aug 2023
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It would probably be unironically cheaper to power Hawaii by running an underwater DC high voltage cable from California to the island, then what they are currently doing.
I mean, if Japan can connect all of their islands with DCHV, and the UK can run a DCHV line from Morocco under the Atlantic, Hawaii wouldn’t be that expensive. There are thousands of miles of underwater DCHV lines around the world. We have one that runs from Washington to Southern California, which is ~1,000 miles.