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Comment by zik | Hacker News Reader

> Calculations I've seen also places the cost of nuclear far above our hydro.

It's by far the most expensive power source in common use, and becoming less competitive with other sources every day [1]. This is quite a surprising choice for them to make in 2023.

[1] https://311mieruka.jp/info/wp-content/uploads/2020/08/20data...

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Here's the numbers where I live: https://www.nve.no/energi/analyser-og-statistikk/kostnader-f...

  Hydro: 40 øre/kWh    
  Windmills on land: 40 øre/kWh    
  Solar on ground: 63 øre/kWh  
  Windmills in ocean: 69 øre/kWh  
  Solar on big roofs: 76 øre/kWh 
  Nuclear: 78 øre/kWh  
  Coal: 126 øre/kWh

(100 øre = 1 NOK)

Do these costs include storage for wanting electricity from solar at night or wind when there is none?

It is Levelized cost of electricity which is a standard way of measuring cost for energy investment.

Levelized cost of electricity is the most favorable metric for intermittent / non-dispatchable generation sources, though!

Do those nuclear costs include all real decommission costs (check the difference between budgeted and real costs thanks to the UK running case), real complete and sure waste disposal costs, provisions/insurance for accidents... ?

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