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David Millar's avatar

Really interesting article - again! Reading the link to the conversation on LINKEDIN regarding the cost of other countries taking our excess energy, it seems that there is always an awful lot of talk about coping with excess energy but nothing much really happens - in the UK anyway? We just seem to build more and more wind and solar. There's storage using thermal salt, hydrogen, chemical batteries, compressed air, liquid air etc. but never a mention of cost or viability. PS works well but expensive to build and controversial regarding the environment. There's talk of Coire Glas PS but not sure if I'll live to see it built. Nuclear seems essential as baseload or spinning reserve and since Germany closed its reactors it has been burning lignite! Green energy is touted as cheaper than FF but the cost of variability in output never seems to me to be factored in. Are LDES in the form of Li-ion batteries the answer in terms of efficiency and cost?

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