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I took the data from the International Energy Administration website.

The give imports and exports, but they don't specify partners.  That would probably be something that you'd have to delve into national databases to get at.

What I've put up here is only the gross generation.  Many states export and import power so basically, generation≠ consumption.  Germany imports power from France, but is a net exporter overall.

As far as those 4 countries (Denmark, Sweden, Norway, and Germany.)

Trade (GWH)
             Denmark  Sweden  Norway Germany
Imports      10427    16052   5285   45953

Exports      11377    14736   15320   62508

So there is a lot of trade, but we don't know with who.  Norway has a huge electricity surplus, and gets nearly 100% of its power from hydro.  Germany produces a lot from coal, and has a more modest surplus, accounting for size differences. Norway has a production surplus of 7.3%, while Germany has an export surplus of only 2.6% of total production.

Trading across an integrated grid could help up the percentage coming from non-hydro renewables, because hydro could be held in reserve to be used when wind or solar wasn't covering demand.

And I'll give my consent to any government that does not deny a man a living wage-Billy Bragg

by ManfromMiddletown (manfrommiddletown at lycos dot com) on Wed Apr 7th, 2010 at 09:07:41 PM EST
[ Parent ]
It's even more complicated if, as discussed in that article, Denmark buffers the variability of its wind generation, and Norway buffers its hydro storage plants, against Germany's coal-fired supply...
by asdf on Wed Apr 7th, 2010 at 09:27:43 PM EST
[ Parent ]
Yes.  That's the limitations that you face when trying to compress information into a single map.  What would be even more interesting is get a picture of what goes on at the interconnects.

And I'll give my consent to any government that does not deny a man a living wage-Billy Bragg
by ManfromMiddletown (manfrommiddletown at lycos dot com) on Wed Apr 7th, 2010 at 11:05:56 PM EST
[ Parent ]
You will be wanting to go to this conference: Innovative Smart Grid Technologies Conference Europe (ISGT Europe), October 2010, Gothenburg.

http://www.ieee-pes.org/component/jcalpro/view/73/99999999

by asdf on Thu Apr 8th, 2010 at 09:48:04 AM EST
[ Parent ]

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