BBC News: Molten metal batteries for the grid

[Rob Seastrom]

There's also an enormous (as in might still be the largest) one right
here in Virginia.

http://en.wikipedia.org/wiki/Bath_County_Pumped_Storage_Station

-r

"fgentges at mindspring.com" <fgentges at mindspring.com> writes:

> There is another water based system in Missouri.  It is the Taum Sauk
> Hydroelectric power station.  It was built in 1963 by Union Electric
> in St Louis. It suffered a major failure from a hurricane.  More
> information on this is at:
>
> http://en.wikipedia.org/wiki/Taum_Sauk_Hydroelectric_Power_Station
>
> Another project by Union Electric is Bagnell dam which was built in
> 1929-1931 prior to the TVA project.  It created Lake of the Ozarks, a
> favorite recreational area.
>
> Both were done on private money by Union Electric.
>
> Frank K0BRA
>
>
> On 9/21/2014 9:16 PM, Ed Dunlop wrote:
>> Oops!  Right name but wrong location. It's actually located in PA but near the Susquehanna River north of Conowingo Dam.
>>
>> --
>> (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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