sci.energy

"habshi" wrote in message
news:@...
> If this is true then by using say half the energy go make more
> solar cells , one could exponentially double every four years and
> cover the whole of desert USA within 30 years ie a five hundred fold
> increase from each solar farm.
> It maybe time to mandate solar power roofs for all new homes.
> If it adds $20,000 to the cost , its a small price for energy
> independence.
>
> excerpt
>
> /article/?desc=topstory

It may well take only two years to pay for the _electricity_ used to make
the panel but the overall financial payback period is still rather too long.
Longer than the warranty on the panel and in some cases longer than the
predicted life of the building they are intended to power.