Posted by Eeyore on April 5, 2009, 5:55 pm
Bill Carter wrote:
> I was responding to Eeyore's
> claim that only subsidies make wind and solar generation feasible. If that's
> so then clearly nuclear falls into the same category.
Clearly not if they can export them ( EPRs ) as a commercial going concern.
Graham
Posted by Bill Carter on April 5, 2009, 9:02 pm
Eeyore wrote:
>
> Bill Carter wrote:
>
>> I was responding to Eeyore's
>> claim that only subsidies make wind and solar generation feasible. If that's
>> so then clearly nuclear falls into the same category.
>
> Clearly not if they can export them ( EPRs ) as a commercial going concern.
Clearly if pigs had wings they could fly.
Posted by Eeyore on April 5, 2009, 10:17 pm
Bill Carter wrote:
> Eeyore wrote:
> > Bill Carter wrote:
> >
> >> I was responding to Eeyore's
> >> claim that only subsidies make wind and solar generation feasible. If that's
> >> so then clearly nuclear falls into the same category.
> >
> > Clearly not if they can export them ( EPRs ) as a commercial going concern.
> Clearly if pigs had wings they could fly.
The orders have been placed.
Graham
Posted by Frank on March 25, 2009, 7:51 pm
rpautrey2 wrote:
> Recharging the Grid with Electric Cars
>
>
>
> A utility in Delaware has opened the door to vehicle-to-grid
> technology.
>
> Wednesday, January 21, 2009
> By Kevin Bullis
>
> A utility in Delaware has taken a step toward a future in which
> electric cars store renewable energy to help make its use more
> widespread. The city of Newark has approved a system called vehicle-to-
> grid (V2G), in which the battery pack in a car serves as a place to
> temporarily store energy from the power grid.
>
> A big problem with renewable sources of power like solar or wind is
> that they only operate intermittently. For now, renewables provide
> such a small part of the total electricity supply that other sources
> can easily make up for the hours, minutes, or days when the wind isn't
> blowing and the sun isn't shining. But if we're ever to rely on them
> for a large part of our power, we'll need a cheap way to store the
> energy that they produce for when it's needed most.
>
> The vehicle-to-grid concept suggests a way to store energy cheaply,
> since the batteries in electric cars have already been paid for. Most
> of the time, a car is just sitting around doing nothing. For short-
> term storage--needed to smooth out fluctuations in power from a wind
> turbine, for example--a utility could quickly charge a car (or,
> ideally, distribute a little charge to hundreds or thousands of cars)
> when the wind is blowing and then take that electricity back a few
> minutes later when the wind dies down. The more cars that are
> available, the more energy can be stored. Longer-term storage might
> also be possible: a car owner could charge up for a discount at night,
> provided she agreed to keep the car plugged in at work to supply extra
> power during peak power demand in the afternoon.
>
> Of course, there would have to be some sort of agreement so that
> energy companies couldn't take so much that the driver ends up
> stranded, and they'd have to recharge a car before the evening
> commute. But there are even bigger challenges. There simply aren't
> many electric cars out there right now. Two-way hookups to the grid
> would also need to be installed, and the grid may have to be upgraded
> in other ways. And lastly, all the charging and discharging could
> shorten the lifetime of the battery (not to mention void the warranty
> from automakers).
>
> There are probably more issues. But what do you think? Is V2G a good
> idea?
>
Newark is home to the University of Delaware where professors are often
coming up with flaky ideas ;)
http://www.celsias.com/article/using-cars-power-grid-newark-nails-it/
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> claim that only subsidies make wind and solar generation feasible. If that's
> so then clearly nuclear falls into the same category.