this post was submitted on 28 Dec 2023
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They've had to keep upgrading them - the percentage of nuclear is the same, but no new plants have been built, so that extra power has come from research on how close to the red line they can actually run.
New reactors just came online in Georgia this year. A $15 billion dollar planned project that cost $30 billion with overruns.
So new or old, nuclear is really expensive electricity.
A coal power plant is rougly the same cost per GW as solar or wind, doesn't mean we should build more of them. I agree it's expensive, but so were solar and wind a couple decades ago. Government investment helped research, development, scaling up - imagine if that had been done in the '80s, we wouldn't be building natural gas plants right now.