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Solar + battery is very land inefficient, that's basically the main argument.

Edit: Per ChatGPT's calculation, nuclear is significantly cheaper than solar + battery in my country (Czech Republic) if we're talking about adding new reactors to existing power plants.

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Land is cheap. Even in Europe, the cost of land onto which renewables are put is small compared to the cost of the renewable energy equipment itself. Here in the US, it's common for the land to be just a few percent of the project cost.

But batteries can be very distributed and stabilize and prop up the grid in ways a huge plant can't without building out distribution. (Situation dependent of course.)

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