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Man, that is big.

3,000 tonnes of armored concrete per 5 MW turbine ? That's  2,000 tonnes of armored concrete per MW effective, assuming a 30% capacity factor. That's a lot. Isn't there a little commodity cost sensitivity issue there?

Talking of wind, what's your opinion about that paper on wind farm interconnection:

http://www.stanford.edu/group/efmh/winds/aj07_jamc.pdf

It came out a year ago and I thought it was pretty interesting, in particular figure 3.

Mind you, I have a "little" disagreement with their discussion of reliability benchmarks.

by Francois in Paris on Fri Feb 22nd, 2008 at 03:37:53 PM EST
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Perhaps this design could help keep costs down:



you are the media you consume.

by MillMan (millguy at gmail) on Fri Feb 22nd, 2008 at 04:07:41 PM EST
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That's very pretty but wouldn't it - like - fall over, or something? Unless you made the base out of solid neutronium, perhaps.

Maintenance, possibly an interesting experience too.

by ThatBritGuy (thatbritguy (at) googlemail.com) on Fri Feb 22nd, 2008 at 07:43:14 PM EST
[ Parent ]
I assume it's for amusement purposes only.

you are the media you consume.

by MillMan (millguy at gmail) on Fri Feb 22nd, 2008 at 08:04:06 PM EST
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That's kind of a shame.
by ThatBritGuy (thatbritguy (at) googlemail.com) on Fri Feb 22nd, 2008 at 08:16:41 PM EST
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I couldn't find a Norwegian to English online translator, though. So I don't know what is said.

you are the media you consume.

by MillMan (millguy at gmail) on Fri Feb 22nd, 2008 at 08:18:54 PM EST
[ Parent ]
It is not Norwegian, so Norwegian to English translator  would not be very helpful...

Dutch, I think...got the gist of it...

by Solveig (link2ageataol.com) on Fri Feb 22nd, 2008 at 08:33:36 PM EST
[ Parent ]
sigh. I mix up .no and .nl.

you are the media you consume.

by MillMan (millguy at gmail) on Sat Feb 23rd, 2008 at 08:42:26 PM EST
[ Parent ]

That graph was indeed interesting; I must admit that I found the rest of the article mostly confusing.

In the long run, we're all dead. John Maynard Keynes

by Jerome a Paris (etg@eurotrib.com) on Fri Feb 22nd, 2008 at 05:41:09 PM EST
[ Parent ]
The energy histograms in figure 5 are also useful but I agree that the paper has its flaws. It looks like they are trying to cling to a notion of "equivalent wind speed" as if it was more telling than their core result.

What really matters for high grid penetration of wind power is effective available power at a given reliability. And they actually show pretty good results from geographic balancing. 20% load factor at 79% reliability over a 850 km x 850 km area. Not great but pretty good and certainly a lot better than a single location.

Do you know of similar studies for European countries?

by Francois in Paris on Fri Feb 22nd, 2008 at 06:52:47 PM EST
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