IIRC this is done in Switzerland too, and there had been some controversy
because the Swiss were buying cheaper power from neighbouring countries
overnight and selling power back to them during the day at higher rates.
Michael
On 4/1/09 4:03 PM, Moose wrote:
> Chuck Norcutt wrote:
>> That's one whopping capacitor!
>>
>
> Storage capacity 218,000+ times larger.
> <http://www.tva.gov/heritage/mountaintop/index.htm>
>
> Peak delivery power capacity considerably larger, although considerably
> smaller as a % of total capacity. Takes more than a second to spin those
> turbines up, though.
>
> 1,600 MW for 22 hrs is 126,720,000 MJ, I think, compared to 580 MJ for
> the kinetic storage unit.
>
> Been There Moose
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