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Bob Wallace

(549 posts)
18. Yes, we will need storage...
Mon Dec 12, 2011, 01:41 AM
Dec 2011

and load/demand shifting.

Wind ramps slowly if you connect multiple wind farms over a modestly wide area. Individual solar arrays can go on and off line very quickly as clouds pass over, but connected arrays over a wider area tend to smooth things out.

I saw an interesting study a few days ago in which they showed that you can deal with the variability of a single solar array by adjusting the air flow in a commercial building. They had the software crank the fan speed up and down depending on solar output and the results were seamless to the occupants.

EVs should be a great help in dealing with supply variability. Cars sit parked about 90% of the time. That makes them a great place to stick supply peaks and later we might see them feeding power back to the grid. There's a program starting up in Denmark to give V2G storage a try.

Wind power not only doesn't "replace" fossil fuels - it requires them wtmusic Dec 2011 #1
Umm - unlike nuclear power - yes? jpak Dec 2011 #2
That's pretty ridiculous FBaggins Dec 2011 #5
I posted those studies earlier this year - perhaps you missed them jpak Dec 2011 #19
I retrieved this from the carcass of DU2.... jpak Dec 2011 #20
That explains how I "missed" them... they don't support your prior post. FBaggins Dec 2011 #21
You're partly, temporarily correct... Bob Wallace Dec 2011 #4
Since you left out gamma rays from outer space and squirrel cages wtmusic Dec 2011 #10
Well... Bob Wallace Dec 2011 #15
Solar ramps up and down slowly and predictably XemaSab Dec 2011 #17
Yes, we will need storage... Bob Wallace Dec 2011 #18
Those numbers won't hold... Bob Wallace Dec 2011 #3
Higher than I would have thought Dead_Parrot Dec 2011 #6
Cement... Bob Wallace Dec 2011 #7
Yeah, approximately double Jacobson's estimates. joshcryer Dec 2011 #8
Weird, it's not like Jacobson got his figures straight from the AWEA- Dead_Parrot Dec 2011 #9
Well, Jacobson lists a few pages... Bob Wallace Dec 2011 #11
Just yanking chains to see what happens :) Dead_Parrot Dec 2011 #13
DTM XemaSab Dec 2011 #16
I already closed the PDF to compare, I think they're in the same range. joshcryer Dec 2011 #12
The paper assumes each MW of power capacity will be 300m away wtmusic Dec 2011 #14
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