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DanS
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Kickball Capital of the World
Jan 1970 time: 00:25
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The majority of nuke costs are in the initial construction, while the majority of both coal and natural gas costs are in the fuel (natural gas bearing the least on the initial construction). Because of this fact, the cost per kwh of nuke power and its relative attractiveness versus coal and natural gas is heavily dependent on interest rates.
Another question is why Japan, who has such low interest rates, doesn't have a higher proportion of nuke use (~30% of generation, IIRC).
Last edited by DanS on 25-05-2003 at 07:42
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Colon
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Antwerp, Colon's Chocolate Canard Country
Jan 1970 time: 06:25
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From the archive of the Economist:
ELECTRICITY GENERATION
Despite the fuss over global warming and excitement over renewable energy, developed countries are still relying heavily on fossil fuels to produce electricity, according to a new report by the OECD. There has been a steady growth in the use of wind and solar energy, but renewables accounted for only 2% of total electricity production in rich countries in 1997. In contrast, fossil fuels—coal, oil and gas—still accounted for 60% of electricity generation in 1997, as they had done a decade earlier. The debate about phasing out nuclear power, which is particularly heated in Germany, comes on the heels of a dramatic rise in its use. The rise in nuclear electricity in the ten years to 1997 was led by Japan, where it grew by 70% in kW-hour terms, France (50%) and America (40%).
And now I'm going to bed, hopefully I'll be able to say something sensible tomorrow. 
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DanS
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Kickball Capital of the World
Jan 1970 time: 00:25
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How is the future need for decommisioning/refurbishment dealt with?
Saras: Same in the US, I believe. A sinking fund is set up (by law) for decommissioning/refurbishment, payable over the expected life of the plant. I guess that somewhat offsets the benefits of a low interest rate environment. Don't know if payments are adjusted in an underfunded or overfunded situation.
but moreso in ongoing maintenance
Super Sten: I believe that maintenance would go under operating costs. Attached is a graphic for the relative costs per kwh of nuclear power versus others, given a 5% interest rate, 30 year plant life, 70% load.
Attachment: electcost90.gif
This has been downloaded 80 time(s).
Last edited by DanS on 29-05-2003 at 22:36
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Colon
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Antwerp, Colon's Chocolate Canard Country
Jan 1970 time: 06:25
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Assuming skycrapers are built out of a pure economic rationale. Remember we discussed the economic sensibility of skycrapers a while ago and we couldn't draw any conclusions.
In that sense they're like Nuclear power plants IMHO, not just built with a simple cost/benefits calculation in mind, but also out of prestige.
Last edited by Colon on 02-06-2003 at 20:45
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