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Author Topic: battery and history  (Read 5094 times)
billi
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« on: October 08, 2012, 01:50:14 AM »

found this and thought for a 20 year old document   .......  we are too slow   whistlie

http://www.osti.gov/bridge/servlets/purl/10116044-rNxLAz/native/10116044.pdf



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clockmanFR
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« Reply #1 on: October 08, 2012, 09:02:35 AM »

"Today's (1993) lead-acid battery makes it possible to package a self-contained
storage system of 1 to 3 MW and locate it within the boundary of an existing substation."


Cor! got to get me one of those!

Quick before biff gets at it.  Grin
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knighty
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« Reply #2 on: October 08, 2012, 12:43:08 PM »

I can't find the link now, but there's a town somewhere in America who kept having power cuts.... so the utility company built a giant battery to act as a ups!

edit, found it
http://www.popsci.com/technology/article/2010-04/texas-town-turns-monster-battery-backup-power
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dhaslam
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« Reply #3 on: October 08, 2012, 12:59:12 PM »

The sodium battery  in Texas cost  $25 million for 32 MWh storage which is  heading for  $1000 per kWh.   If conventional batteries, costing say $100 per kWh,   are used at  20% capacity and allowing for buildings  etc it would still be quite a bit less.   However  sodium batteries could be improved  quite a lot.     I suppose  that  up to now  a few hours peak use storage hasn't been that important  but in sunny countries there will be an incentive to  rely much more on solar  with suitable storage.    Longer term storage for wind power  seems to be the one  that is getting more attention at present and  for northern latitudes  it is the one that urgently needs  a lot of investment.   

http://www.popsci.com/technology/article/2010-04/texas-town-turns-monster-battery-backup-power
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