> and nuclear power is not suitable for use as a peaker like gas or batteries or pumped storage are.
This is, of course, a lie. https://www.oecd-nea.org/upload/docs/application/pdf/2021-12...
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The minimum requirements for the manoeuvrability capabilities of modern reactors are defined by the utilities requirements that are based on the requirements of the grid operators. For example, according to the current version of the European Utilities Requirements (EUR) the NPP must at least be capable of daily load cycling operation between 50% and 100 % of its rated power Pr, with a rate of change of electric output of 3-5% of Pr per minute.
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As the chart on the same page (page 8) shows, a change from 800 MW to 1300 MW was routine operation for German reactors