this post was submitted on 14 May 2025
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[–] ChairmanMeow@programming.dev 8 points 1 day ago

The energy grid of tomorrow is is in no need of a baseline supply.

The baseline is often referred to as baseline supply, but in reality it's baseline demand that always needs to be met. A steady supply made most sense in the past, but that's not the case anymore thanks to renewables. Several countries already produce so much power at peak hours, the supply from renewables exceeds the total demand significantly (leading to negative energy prices).

Because renewables are the cheapest source of power by some distance, this means that it's economically the best option to switch all other power generation off. Meaning that to ensure the baseline supply is met, you need a flexible source of power, one that quickly scales up and down without pricing itself out of the market doing so.

The renewable answer to this is batteries. The fossil fuel answer is natural gas reactors. Both options are cheaper than nuclear.

Nuclear takes too long to build and there's just no economic case for it. It's considerably better to invest in cheaper options with a much faster return on decarbonization.