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41 - Green hydrogen in a net zero future with Will Rowe (CEO & Founder @ Octopus Hydrogen)

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The Efficiency of Converting Water to Hydrogen and Oxygen

The theoretical efficiency of converting water to hydrogen and oxygen is 39.4 kilowatt hours, I think. So it's whatever that is, 39 over 52, one over that. Let's say you lose 30% of your power, turn it into hydrogen. And then how do you get that to... so we, at the moment, focus on road-based distribution of that hydrogen rather than put into the gas grid. You can get about 10 megal... 10, a 10 meg electrolyzers worth of hydrogen would be one lorry's worth a day in terms of weight. But where we can electrify, we can go from being 25% efficient to 90%. We're not

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