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	<title>Comments on: Eos Energy Storage &#8212; Next Big Thing In Energy Storage?</title>
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	<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/</link>
	<description>Clean Tech News &#38; Views: Solar Energy News. Wind Energy News. EV News. &#38; More.</description>
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		<title>By: Bob_Wallace</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-162901</link>
		<dc:creator><![CDATA[Bob_Wallace]]></dc:creator>
		<pubDate>Fri, 24 May 2013 19:21:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-162901</guid>
		<description><![CDATA[Lithium-ion batteries are around 150 Wh/kg.


Going with SCs in a cell phone would mean having to charge several times per day, perhaps as many as 10x, rather than once.]]></description>
		<content:encoded><![CDATA[<p>Lithium-ion batteries are around 150 Wh/kg.</p>
<p>Going with SCs in a cell phone would mean having to charge several times per day, perhaps as many as 10x, rather than once.</p>
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		<title>By: Josef V.</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-162897</link>
		<dc:creator><![CDATA[Josef V.]]></dc:creator>
		<pubDate>Fri, 24 May 2013 19:13:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-162897</guid>
		<description><![CDATA[20.1 wH/kg, though I suspect that is without proper encapsulation, which would cut it by a fair amount (30-50%.]]></description>
		<content:encoded><![CDATA[<p>20.1 wH/kg, though I suspect that is without proper encapsulation, which would cut it by a fair amount (30-50%.</p>
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		<title>By: Eos Energy Storage Raises $15 Million, Gets Funding From NRG Energy &#124; CleanTechnica</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-162308</link>
		<dc:creator><![CDATA[Eos Energy Storage Raises $15 Million, Gets Funding From NRG Energy &#124; CleanTechnica]]></dc:creator>
		<pubDate>Tue, 21 May 2013 14:32:35 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-162308</guid>
		<description><![CDATA[[...] just featured a long post on Eos Energy Storage less than a month ago, followed soon after by a post on its first pilot project (with Con Edison). [...]]]></description>
		<content:encoded><![CDATA[<p>[&#8230;] just featured a long post on Eos Energy Storage less than a month ago, followed soon after by a post on its first pilot project (with Con Edison). [&#8230;]</p>
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		<title>By: Bob_Wallace</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-162273</link>
		<dc:creator><![CDATA[Bob_Wallace]]></dc:creator>
		<pubDate>Tue, 21 May 2013 04:49:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-162273</guid>
		<description><![CDATA[Could be that you are a little quick jumping the gun.

There&#039;s nothing new about supercapacitors charging very quickly.  That&#039;s simply a characteristic of supercapacitors. And they are good for hundreds of thousands of charge/discharge cycles.

Supercapacitors would be the perfect storage medium - if they held enough charge per volume/weight.  Existing supercapacitors have energy densities that are approximately 10% of a conventional battery.

I see nothing on line saying that Eesha has invented a supercapacitor that stores as much energy as do batteries.   

You got any capacity stats?

And I see a claim that her supercapacitor can last 10,000 cycles.  Supercapacitors are good for more like a million cycles.  

How about we hold off on the celebration until we find out how much energy her device holds?  And if it will actually perform thousands of cycles without failing.  There&#039;s a lot of rough road between something that looks promising in the lab and something that delivers in the real world.]]></description>
		<content:encoded><![CDATA[<p>Could be that you are a little quick jumping the gun.</p>
<p>There&#8217;s nothing new about supercapacitors charging very quickly.  That&#8217;s simply a characteristic of supercapacitors. And they are good for hundreds of thousands of charge/discharge cycles.</p>
<p>Supercapacitors would be the perfect storage medium &#8211; if they held enough charge per volume/weight.  Existing supercapacitors have energy densities that are approximately 10% of a conventional battery.</p>
<p>I see nothing on line saying that Eesha has invented a supercapacitor that stores as much energy as do batteries.   </p>
<p>You got any capacity stats?</p>
<p>And I see a claim that her supercapacitor can last 10,000 cycles.  Supercapacitors are good for more like a million cycles.  </p>
<p>How about we hold off on the celebration until we find out how much energy her device holds?  And if it will actually perform thousands of cycles without failing.  There&#8217;s a lot of rough road between something that looks promising in the lab and something that delivers in the real world.</p>
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		<title>By: Hank Wilcox</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-162271</link>
		<dc:creator><![CDATA[Hank Wilcox]]></dc:creator>
		<pubDate>Tue, 21 May 2013 02:42:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-162271</guid>
		<description><![CDATA[You guys are a little slow on the uptake. A young lady named Eesha Khare has just obsoleted all storage tech and seriously changed the game with a simple capacitor technology. It&#039;s interesting, how so few people realize that if her device can be made affordably and to scale, it will easily change EVERYTHING, and for the better. The problem with manufacturing dirt cheap electric energy has always been storing and transferring it efficiently it to when and where it&#039;s needed. She could send us back to the fifties on fuel and energy cost and usher in a new age of prosperity for all. Hilariously short sighted is her getting &quot;second&quot; prize! for her invention. That&#039;s like getting the consolation prize for Einstein&#039;s Atomic Theory.]]></description>
		<content:encoded><![CDATA[<p>You guys are a little slow on the uptake. A young lady named Eesha Khare has just obsoleted all storage tech and seriously changed the game with a simple capacitor technology. It&#8217;s interesting, how so few people realize that if her device can be made affordably and to scale, it will easily change EVERYTHING, and for the better. The problem with manufacturing dirt cheap electric energy has always been storing and transferring it efficiently it to when and where it&#8217;s needed. She could send us back to the fifties on fuel and energy cost and usher in a new age of prosperity for all. Hilariously short sighted is her getting &#8220;second&#8221; prize! for her invention. That&#8217;s like getting the consolation prize for Einstein&#8217;s Atomic Theory.</p>
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		<title>By: Viki</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-162200</link>
		<dc:creator><![CDATA[Viki]]></dc:creator>
		<pubDate>Mon, 20 May 2013 09:43:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-162200</guid>
		<description><![CDATA[It’s quite honestly don’t understand what you’re talking about  utility solar power does not provide the energy requirements to run air-conditioners, your electric stove or central heating to even dishwashers including air compressors. Just one question to you, have you tried it, to run an air-conditioner off your grid invertor with out main power on?]]></description>
		<content:encoded><![CDATA[<p>It’s quite honestly don’t understand what you’re talking about  utility solar power does not provide the energy requirements to run air-conditioners, your electric stove or central heating to even dishwashers including air compressors. Just one question to you, have you tried it, to run an air-conditioner off your grid invertor with out main power on?</p>
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		<title>By: Matthew Todd Peffly</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-162024</link>
		<dc:creator><![CDATA[Matthew Todd Peffly]]></dc:creator>
		<pubDate>Sat, 18 May 2013 12:34:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-162024</guid>
		<description><![CDATA[Jim, its the people using AC that is costing the $10k upgrade. Note the person who adds PV, they are reducing the upgrade cost, because less is needed to support the ACs during hot sunny days.]]></description>
		<content:encoded><![CDATA[<p>Jim, its the people using AC that is costing the $10k upgrade. Note the person who adds PV, they are reducing the upgrade cost, because less is needed to support the ACs during hot sunny days.</p>
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		<title>By: Adam.T</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-161264</link>
		<dc:creator><![CDATA[Adam.T]]></dc:creator>
		<pubDate>Sat, 11 May 2013 12:38:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-161264</guid>
		<description><![CDATA[Yes that right, but there no requirement to reduce energy by any amount under the law, even with rooftop grid solar power system installed you can use as much coal fire energy as you like because its free, with out having any accountability for that Co2 emission produced.]]></description>
		<content:encoded><![CDATA[<p>Yes that right, but there no requirement to reduce energy by any amount under the law, even with rooftop grid solar power system installed you can use as much coal fire energy as you like because its free, with out having any accountability for that Co2 emission produced.</p>
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		<title>By: Lin</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-161261</link>
		<dc:creator><![CDATA[Lin]]></dc:creator>
		<pubDate>Sat, 11 May 2013 12:28:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-161261</guid>
		<description><![CDATA[Utility companies have made this aware to government authorities, that houses that had installed renewable energy to the grid on the rooftop, are now consuming  more energy than before.]]></description>
		<content:encoded><![CDATA[<p>Utility companies have made this aware to government authorities, that houses that had installed renewable energy to the grid on the rooftop, are now consuming  more energy than before.</p>
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		<title>By: Ame</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-161210</link>
		<dc:creator><![CDATA[Ame]]></dc:creator>
		<pubDate>Fri, 10 May 2013 22:27:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-161210</guid>
		<description><![CDATA[California solar industry was on borrowed time with continuation of subsidisation leading to large debts in the country had to come to it’s end.]]></description>
		<content:encoded><![CDATA[<p>California solar industry was on borrowed time with continuation of subsidisation leading to large debts in the country had to come to it’s end.</p>
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		<title>By: Jenny-for-Green</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160986</link>
		<dc:creator><![CDATA[Jenny-for-Green]]></dc:creator>
		<pubDate>Wed, 08 May 2013 23:10:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160986</guid>
		<description><![CDATA[I would like to see the results of this please report back.]]></description>
		<content:encoded><![CDATA[<p>I would like to see the results of this please report back.</p>
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		<title>By: Bob_Wallace</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160985</link>
		<dc:creator><![CDATA[Bob_Wallace]]></dc:creator>
		<pubDate>Wed, 08 May 2013 23:09:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160985</guid>
		<description><![CDATA[I don&#039;t read German and I don&#039;t know which papers are reliable and which publish junk.]]></description>
		<content:encoded><![CDATA[<p>I don&#8217;t read German and I don&#8217;t know which papers are reliable and which publish junk.</p>
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		<title>By: Jasmon</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160984</link>
		<dc:creator><![CDATA[Jasmon]]></dc:creator>
		<pubDate>Wed, 08 May 2013 23:05:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160984</guid>
		<description><![CDATA[You can find the information in the German news paper.]]></description>
		<content:encoded><![CDATA[<p>You can find the information in the German news paper.</p>
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		<title>By: Bob_Wallace</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160979</link>
		<dc:creator><![CDATA[Bob_Wallace]]></dc:creator>
		<pubDate>Wed, 08 May 2013 22:53:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160979</guid>
		<description><![CDATA[Franz, I think someone has fed you some very faulty information.

Your claim about grid solar power is simply false.  

And I&#039;ll need to see some proof that &quot;Germany is fast tracking 30 New Coal fire power generator station to be built&quot;

Here&#039;s what I believe to be the facts...

Germany&#039;s new coal burning plants are replacing (not adding to) the older plants that either have been or will soon be decommissioned.   Construction on those plants was begun before the decision to close nuclear plants was made and before large amounts of wind and solar were planned.

By 2020, 18.5 gigawatts of coal power capacity will be decommissioned, whereas only 11.3 gigawatts will be newly installed.

Furthermore those plants will be more efficient, releasing less CO2 per unit electricity produced than are the ones they are replacing.  And the new coal plants are partially load-following.



Now, one of us is clearly wrong.  Feel free to bring your facts.]]></description>
		<content:encoded><![CDATA[<p>Franz, I think someone has fed you some very faulty information.</p>
<p>Your claim about grid solar power is simply false.  </p>
<p>And I&#8217;ll need to see some proof that &#8220;Germany is fast tracking 30 New Coal fire power generator station to be built&#8221;</p>
<p>Here&#8217;s what I believe to be the facts&#8230;</p>
<p>Germany&#8217;s new coal burning plants are replacing (not adding to) the older plants that either have been or will soon be decommissioned.   Construction on those plants was begun before the decision to close nuclear plants was made and before large amounts of wind and solar were planned.</p>
<p>By 2020, 18.5 gigawatts of coal power capacity will be decommissioned, whereas only 11.3 gigawatts will be newly installed.</p>
<p>Furthermore those plants will be more efficient, releasing less CO2 per unit electricity produced than are the ones they are replacing.  And the new coal plants are partially load-following.</p>
<p>Now, one of us is clearly wrong.  Feel free to bring your facts.</p>
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		<title>By: Franz</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160978</link>
		<dc:creator><![CDATA[Franz]]></dc:creator>
		<pubDate>Wed, 08 May 2013 22:45:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160978</guid>
		<description><![CDATA[Many companies are turning to battery storage as grid solar power cannot uphold power levels, I think they made a big mistake when they set up renewable energy and over looked the fact this would happen.  On the other hand Germany is fast tracking 30 New Coal fire power generator station to be built,  wind and solar power is not working to secure power needs nor could supply energy when the elements are against them.]]></description>
		<content:encoded><![CDATA[<p>Many companies are turning to battery storage as grid solar power cannot uphold power levels, I think they made a big mistake when they set up renewable energy and over looked the fact this would happen.  On the other hand Germany is fast tracking 30 New Coal fire power generator station to be built,  wind and solar power is not working to secure power needs nor could supply energy when the elements are against them.</p>
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		<title>By: Bob_Wallace</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160922</link>
		<dc:creator><![CDATA[Bob_Wallace]]></dc:creator>
		<pubDate>Wed, 08 May 2013 16:07:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160922</guid>
		<description><![CDATA[Don&#039;t bother reporting back your results.  Whatever you find has zero relation to how grids work or how we might develop our future grid.


Why don&#039;t you put your time to better use and learn something useful?]]></description>
		<content:encoded><![CDATA[<p>Don&#8217;t bother reporting back your results.  Whatever you find has zero relation to how grids work or how we might develop our future grid.</p>
<p>Why don&#8217;t you put your time to better use and learn something useful?</p>
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		<title>By: Alfred Pemberton</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160868</link>
		<dc:creator><![CDATA[Alfred Pemberton]]></dc:creator>
		<pubDate>Wed, 08 May 2013 09:16:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160868</guid>
		<description><![CDATA[I will be trying the procedure which Troy posted and I will let you know the results as soon as testing are completed on a small scale. I will try the procedure with a small load air-conditioner to see if possible to run a direct load off the grid solar array inverter with a small bias main power applied to the grid inverter  keeping inline with the posting literature experiment.]]></description>
		<content:encoded><![CDATA[<p>I will be trying the procedure which Troy posted and I will let you know the results as soon as testing are completed on a small scale. I will try the procedure with a small load air-conditioner to see if possible to run a direct load off the grid solar array inverter with a small bias main power applied to the grid inverter  keeping inline with the posting literature experiment.</p>
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		<title>By: dwj</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160851</link>
		<dc:creator><![CDATA[dwj]]></dc:creator>
		<pubDate>Wed, 08 May 2013 02:43:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160851</guid>
		<description><![CDATA[You need 1416 (approximately) of these containers to provide the same amount of energy storage as Goldisthal. I just used Goldisthal as a point of comparison because it was mentioned in an earlier comment.
Reservoir size (and head) is what determines how much energy is stored. It is the critical factor for any pump storage scheme as the sizing of turbines etc is based on emptying the reservoir in 6 to 10 hours. The turbines could be designed to empty the reservoir in 1 hour if there was a need for such super peaking capacity.
Batteries are not more efficient than pump storage. Round trip efficiencies for pump storage are 75 to 80% (even better with modern variable speed machines) and efficiency and storage capacity do not degrade over time.]]></description>
		<content:encoded><![CDATA[<p>You need 1416 (approximately) of these containers to provide the same amount of energy storage as Goldisthal. I just used Goldisthal as a point of comparison because it was mentioned in an earlier comment.<br />
Reservoir size (and head) is what determines how much energy is stored. It is the critical factor for any pump storage scheme as the sizing of turbines etc is based on emptying the reservoir in 6 to 10 hours. The turbines could be designed to empty the reservoir in 1 hour if there was a need for such super peaking capacity.<br />
Batteries are not more efficient than pump storage. Round trip efficiencies for pump storage are 75 to 80% (even better with modern variable speed machines) and efficiency and storage capacity do not degrade over time.</p>
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		<title>By: Bob_Wallace</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160780</link>
		<dc:creator><![CDATA[Bob_Wallace]]></dc:creator>
		<pubDate>Tue, 07 May 2013 17:45:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160780</guid>
		<description><![CDATA[The challenge was totally bogus.  No one suggests that we would attempt to run a grid with nothing but solar power or nothing but wind power or that storage wouldn&#039;t be needed.

Take this challenge.  Run a town only on the power from a single nuclear reactor.  Watch what happens when that reactor shuts down for refueling or maintenance.

I get the feeling that you don&#039;t quite grasp how grids work.  &quot;no energy in it&quot; was the clue....]]></description>
		<content:encoded><![CDATA[<p>The challenge was totally bogus.  No one suggests that we would attempt to run a grid with nothing but solar power or nothing but wind power or that storage wouldn&#8217;t be needed.</p>
<p>Take this challenge.  Run a town only on the power from a single nuclear reactor.  Watch what happens when that reactor shuts down for refueling or maintenance.</p>
<p>I get the feeling that you don&#8217;t quite grasp how grids work.  &#8220;no energy in it&#8221; was the clue&#8230;.</p>
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		<title>By: Troy</title>
		<link>http://cleantechnica.com/2013/05/04/eos-energy-storage/#comment-160729</link>
		<dc:creator><![CDATA[Troy]]></dc:creator>
		<pubDate>Tue, 07 May 2013 11:51:00 +0000</pubDate>
		<guid isPermaLink="false">http://cleantechnica.com/?p=51290#comment-160729</guid>
		<description><![CDATA[The biggest controversy in the world and that Question is that was asked in Australia “was grid connected solar power real energy”  according to the experts, “No grid solar energy does not provide real base load energy as we know it”  basically no. Grid solar energy it has no storage capacity to provide, and for instance could not provide energy to start an air-conditioner and that’s where the problem lies is no energy in it. 

On the radio a challenge put forth to the infrastructure, a test was to shut down a street which had installed all grid solar power capacity and run the homes directly off the grid solar power with a small input of grid main power to assist the grid inverters to stay on, in that street which tried the test the system collapsed to even the grid inverter blowing up. The whole street became a dead short, providing proof of solar energy is a failure cannot provide base load energy to the household or the network.]]></description>
		<content:encoded><![CDATA[<p>The biggest controversy in the world and that Question is that was asked in Australia “was grid connected solar power real energy”  according to the experts, “No grid solar energy does not provide real base load energy as we know it”  basically no. Grid solar energy it has no storage capacity to provide, and for instance could not provide energy to start an air-conditioner and that’s where the problem lies is no energy in it. </p>
<p>On the radio a challenge put forth to the infrastructure, a test was to shut down a street which had installed all grid solar power capacity and run the homes directly off the grid solar power with a small input of grid main power to assist the grid inverters to stay on, in that street which tried the test the system collapsed to even the grid inverter blowing up. The whole street became a dead short, providing proof of solar energy is a failure cannot provide base load energy to the household or the network.</p>
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