BBC News: Molten metal batteries for the grid

[Ed Dunlop]

Oops!  Right name but wrong location. It's actually located in PA but near the Susquehanna River north of Conowingo Dam. 

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(c) © Ed Dunlop. Todos los derechos reservados. 1265 Estate Dr ..W Chester PA 193 80  USA   m-67

> On Sep 21, 2014, at 9:02 PM, Ed Dunlop <ed at computer.org> wrote:
> 
> A good example of an already running water based system is PECO Energy's "Muddy Run Pumped Storage" facility north of Philadelphia near the Delaware River. 
> 
> Ed N3DJH
> --
> (c) © Ed Dunlop. Todos los derechos reservados. 1265 Estate Dr ..W Chester PA 193 80  USA   m-67
> 
>>> On Sep 21, 2014, at 6:35 PM, kf4hcw <kf4hcw at lifeatwarp9.com> wrote:
>>> 
>>> On 2014-09-21 15:26, William Danielson wrote:
>>> I have heard from some folks who worked where they had a forward and
>>> reverse hydroelectric setup...off peak they would pump water up above
>>> a dam, on peak they would release it to power alternators.
>> 
>> I saw this a year ago (maybe more).
>> 
>> I wonder which loses less energy -- pumping water upstream, or keeping
>> molten metal batteries hot (plus inversion losses).
>> 
>> Of course, you don't have the opportunity to do the water trick
>> everywhere... so there's that.
>> 
>> _M
>> 
>> -- 
>> kf4hcw
>> Pete McNeil
>> lifeatwarp9.com/kf4hcw
>> 
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