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Elizabeth M
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Re: Promising advancement
Elizabeth M   9/17/2013 4:17:15 AM
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Great, Ann, I look forward to reading that! I really would like to be more informed about this particular topic and as you pointed out, so do our readers.

Ann R. Thryft
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Re: Promising advancement
Ann R. Thryft   9/16/2013 12:59:05 PM
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I'm working on a story on this, Elizabeth. Stay tuned.

Elizabeth M
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Re: Promising advancement
Elizabeth M   9/16/2013 4:31:15 AM
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I think you're right, Ann, I think this area deserves more coverage and exploration. I think there is a good story to be had in how it's been managed in those states and how others might learn from this example. Do you know how if they use storage devices in those states and how they do it? It would be really interesting to delve into more. I've done a few stories now and didn't know they were managing it so well in those regions.

patb2009
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Re: Promising advancement
patb2009   9/12/2013 12:22:02 PM
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i'd say the attack may come from small scale and micro grids and DG.

Campuses (Hospitals, universities, governments) are now starting to move hard into

rooftop, parking lot solar) and then cogen off of their HVAC plants, and then buying only when they need frequency support or drop out.

A 5 building municipal complex may make a lot of sense to do their own utilities.

 

 

etmax
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Re: Promising advancement
etmax   9/12/2013 10:57:43 AM
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The biggest problem is the fluctuations, with renewables more than 20% a large cloud could make such a dent in the power provided the grid that a few turbines would have to spun up and then down as thcloud passes, the only problem is that large turbines take perhaps a minute to go from 0-100% (someone please feel free to add a real number here, this one's out of my hat - gut feeling) where as currently they only need  to go upi or down 10% which is much shorter.

etmax
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Gold
Re: Promising advancement
etmax   9/12/2013 10:51:38 AM
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"which already are becoming more widely used and really are the way forward to reduce or even eliminate independence on the traditional electricity grid,"

Small typo above?

Thanks for posting this, It's good to see that electrical storage research is alive and well.

We have a 4kW systems and it just about covers our usage in spring an autumn an definitely in Summer but winter is another story. On a sunny day it's only supply positive for 4-7 in shoulder periods so effective storage would be a real boon.

I can imagine that if we had more than 20% solar or wind that dotty cloud cover or buffeting wind would be a real drama without storage.

I Europe there's talk of using EV's plugged into the grid as a levelling sytem for renewables. The interesting thing here would be that the grid would be reducing the life of the EV battery through extra usage and may have offer storage credit much the same way that feed in tarifs work :-)

Cabe Atwell
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Re: Promising advancement
Cabe Atwell   8/27/2013 2:41:56 PM
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Hopefully they will have it adopted for use over a wide range of applications such as the efficient energy storage of renewable resources and providing more than 2 hours of power for my laptop.

Elizabeth M
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Re: Promising advancement
Elizabeth M   8/22/2013 10:20:21 AM
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Really, Chuck? That's pretty high profile to be on The Colbert Report.  That is definitely interesting, and quite cool that he would apepar there--shows a bit of progressiveness on the part of Colbert and some savvy marketing on the part of Sadoway. I haven't checked on their progress in awhile so I wonder how much traction Ambri is gaining--possibly quite a bit.

Charles Murray
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Re: Promising advancement
Charles Murray   8/21/2013 6:30:51 PM
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Yes, Ambri is another. We've mentioned this before...I found it interesting to see Don Sadoway of Ambri on the Colbert Report last year.

http://www.colbertnation.com/the-colbert-report-videos/420372/october-22-2012/donald-sadoway

BrainiacV
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Platinum
Re: Promising advancement
BrainiacV   8/21/2013 3:56:32 PM
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There is another MIT flow battery that uses bromine.

http://www.sciencedaily.com/releases/2013/08/130816094827.htm

All three sound interesting, but I'll guess the ones that don't use molten materials will be preferred.

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