this post was submitted on 07 Aug 2023
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@Ardubal @MattMastodon @BrianSmith950 @Pampa @AlexisFR @Wirrvogel @Sodis What do you mean it doesn't scale linearly?
If you need to over-build by 3x, then it costs £150/MWh.
If you need to use £170/MWh storage for 10% of demand (plausible for hydrogen), you still get a very reasonable figure.
There's no obvious non-linearity here. Switching off renewables is trivial, unlike thermal plant.