On Aug 7, 8:52*am, (Andrew Gabriel) wrote:
In article ,
* * * * Kevin writes:

same with electrical solar power it takes more power to create a solar
panel than the panel will produce in its entire life

There was also a world shortage of the grade of silicon needed
for their manufacture.

But there's a hell of a lot of investment going into it's production
and the production processes for photovoltaics. Sadly many
manufacturers have only recently realised they have a lot to learn
from the semiconductor industry about processing silsicon.