🚀 go-pugleaf

Jeff Liebermann wrote:

> On Sun, 18 May 2008 05:10:21 +0100, Eeyore
> <rabbitsfriendsandrelations@hotmail.com> wrote:
> 
> 
>>Jeff Liebermann wrote:
>>
>>
>>>On Fri, 16 May 2008 10:47:27 -0700, Joerg
>>><notthisjoergsch@removethispacbell.net> wrote:
>>>
>>>
>>>>There is a major stumbling block in areas like ours: Monopoly, plus
>>>>baseline usage rules the monopoly imposes. The millisecond you exceed
>>>>baseline by IIRC as little as 30% electricity becomes painfully
>>>>expensive. Anyone who dared to use their A/C in summer knows that.
>>>>Unless this changes or one can line up a sweet and most of all longterm
>>>>night-time deal there won't be a realistic future for electric cars.
>>>
>>>One former EV-1 owner has a solution to the electric power cost
>>>problem:
>>><http://www.solarwarrior.com>
>>><http://www.solarwarrior.com/why.html>
> 
> 
>>A 30kW peak output PV solar array would cost somewhere in the region of
>>$120,000 in panels alone 
> 
> 
> I don't recall the exact total cost but I think it was about $150,000.
> That did not include legal fees and time wasted dealing with PG&E
> nonsense.
> 
> 
>>by my estimation yet would only provide around
>>120kWh of electricity daily (worth around $12) on average. Factor in
>>financing costs and it simply will NEVER 'pay back'
> 
> 
> No financing that I know of on this system.
> 
> Typical production is about 15kw-hr/day.  See graphs and visually
> guess the average delivered power:
> <http://www.solarwarrior.com/historical-data.html>
> 
> Non-tracking vverage hours equivalent to full sunlight is about 4.5
> hrs in Santa Cruz County.  That yields:
>   15kw * 4.5 hrs/day = 68kw-hr/day
> 
> PG&E rates vary with usage and season.  The cost to charge the fleet
> of electric vehicles would have placed them in nearly the highest
> rates.  See:
> <http://www.pge.com/tariffs/ResElecCurrent.xls>
> That's the current residential rates.  My guess is that electricity
> would cost about $0.30/kw-hr at the highest rate.  
>   68Kw-hr/day * $0.30/kw-hr = $20/day
> 
> 
>>Scale that down to a 12kWh EV battery pack daily recharge and it would still
>>cost you $12,000 PLUS and the associated installation, inverter etc, say
>>$20k overall. Yet it would only cost about $1.20 for that daily recharge
> 
>>from the mains.
> 
> The owner indicates that the calculated break even point is 18 years
> out of a 30 year lifetime.  The higher prices of electricity will make
> the break even point somewhat sooner.  I don't have all the numbers
> necessary to verify that.  I certainly won't buy into anything that
> takes 18 years to break even as I don't expect to live that long.  I
> agree that it's not very practical (unless you include government
> subsidies and rebates), but it's a start.

A point. Those technically able to to do such an investment
regard living the 18 years as doubtfull. Those with a good
prospect of seeing these 18 years regard the investment
beyond their reach. Apparently none these days is willing
to do an investment for the future generation.

A pity.

Rene