On the Solar horizon.... Solar tower with excellent returns.

[Darkwood]

3-D Solar Towers, The future of Photovoltaics? | SciTechDaily -- not my field but came across this and thought id share for all you sun worshippers.:shades_smile:

 

[Gary K]

but that won't fit on my roof!!!! it'l stand of more than 200mm

 

[Glen Powell]

I am not doing the wind load calcs on that !!!!