Re: PV: GAS-L: Vehicle-to-Grid Power

[cor_van_de_water@dolfijn.nl (Cor van de Water)]

My first reaction is: this would surely mean your batteries live short,
as the number of cycles increase without driving it......

I do not think this is economic, but I am not sure about the
cost per cycle of batteries, versus the payback for power
during peak hours.

NOTE:
This should mean an EV user should install a peak-payback meter!?!

If payback and power drawn to re-charge cancel out, then the only
result of the equation is an extra cycle of your EV battery.....

Success,
Cor van de Water
the Netherlands
http://start.at/solar

> I'm not sure if the PV users and ARGON groups have already looked into this
> (I only ARGON joined on Friday). It has interesting implcations for tariff
> contracts.
>  
> It is of particular interest to me as I am currently building an electric
> vehicle and I am planning to install a grid interactive PV system. For
> ARGON I'll give more of an introduction later ... time is short at present.
>  
> Regards
>  
> James Joyce
> Mackay, Queensland
> Australia
>  
>  
>  
> ----- Forwarded by James Joyce/SRI on 29/01/01 13:12 -----
>  
>                     "Adam Smith"
>                     <ag@reprintbooks.o        To:     gasification@crest.org
>                     rg>                       cc:
>                     Sent by:                  Subject:     GAS-L: Vehicle-to-Grid Power
>                     owner-gasification
>                     @crest.org
>  
>  
>                     27/01/01 10:47
>                     Please respond to
>                     gasification
>  
>  
>  
>  
>  
> this sounds very interesting:
>  
> Vehicle-to-Grid Power: EVs as Distributed Generation Assets
> Electric power brown-outs, outages, and astronomical rate increases have
> been in the news this summer as hot weather, deregulation, and growth in
> demand have strained the capacity of the electric power grid. Some
> observers
> have suggested that electric vehicles will just make this situation worse.
> The fact of the matter is that in the quantities required by the mandate,
> EVs will not have a significant effect on electricity demand, and that
> since
> most EVs will charge during off-peak periods, they will actually improve
> infrastructure utilization.
> AC Propulsion is participating in a study funded by CARB and the Los
> Angeles
> Department of Water and Power (LADWP) to evaluate the possibility that EVs
> can actually REDUCE load on the grid during peak periods. AC Propulsion's
> new Gen-2 drive system can feed power from the vehicle's batteries to the
> grid while the vehicle is parked and plugged in. AC Propulsion has
> demonstrated the feasibility, efficiency, and safety of this capability
> already. The purpose of the study is to evaluate the potential economics of
> vehicle-to-grid power flow. If favorable economics can be established, a
> growing fleet of EVs will provide additional power and distribution
> capacity
> to power providers at costs lower than other alternatives. The power
> providers will, in turn, absorb some of the cost of ownership of battey and
> fuel cell electric vehicles.
> Link to Presentation on the vehicle-to-grid power concept
>  
> http://www.acpropulsion.com/
> The Gasification List is sponsored by
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