[modeleng] Re: Semi OT windmills / generation

Dinorwic?

Eric Walker wrote:
> I couldn't remember the name of the Welsh mountain but they call it pumped 
> storage, a good idea using electricity that would be wasted. A type of 
> battery.
> A few years ago the powers that be closed most of the coal mines here, I 
> thought at the time why don't they hang a large weight in the pit shaft & 
> generate electricity as it descends & wind it back up when there is free 
> power available, but they filled them with concrete.
> 
> E.W.
> ----- Original Message ----- 
> From: "Clif Walker" <clif.gwr@xxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Wednesday, December 29, 2004 3:50 PM
> Subject: [modeleng] Re: Semi OT windmills / generation
> 
> 
> 
>>Hi All,
>>
>>We have the same system built into a mountain in Wales called Dinorwic.
>>
>>Regards
>>
>>Clif
>>----- Original Message -----
>>From: <cbrumbelow@xxxxxxxxxxx>
>>To: <modeleng@xxxxxxxxxxxxx>
>>Sent: Tuesday, December 28, 2004 9:00 PM
>>Subject: [modeleng] Re: Semi OT windmills / generation
>>
>>
>>
>>>Down near Chattanooga Tennessee, TVA hollowed out the top of Racoon
>>
>>Mountain and put turbines at the base.  When the demand for electricity is
>>slack, they pump water to the top of the mountain.  When demand is heavy,
>>they generate electricity by letting the water run back through the
>>turbines.  That, plus their hydroelectric facilities, plus some gas 
>>turbines
>>allows them to keep the nuclear and coal-burning steam power plants 
>>running
>>full speed while helping meet peak demand loads.  Charles
>>
>>>-------------- Original message --------------
>>>
>>>
>>>>At one time there was talk of utilizing tides to generate electricity.
>>>>Incoming tide would turn generators in one direction and outgoing in 
>>>>the
>>>>other. This would happen twice a day with a bit of slack between, but 
>>>>it
>>>>looked feasible. Don't know why it was dropped unless it would present 
>>>>a
>>>>navigation hazard or possibly intefere with Teddy Kennedy's water sking
>>
>>and
>>
>>>>sailing. Maybe the lobster fishermen would be upset??
>>>>
>>>>Jesse in Tennessee
>>>
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> 
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