They could mount the land-based windmills on giant concrete 'sleds'
running on rails. When it is windy the sled moves itself up the incline
and then has the capability to generate power as it runs back down
again ? :-)

Andrew

On 08/02/2021 13:26, Brian Gaff (Sofa) wrote:
Is it moreviscous though? Does it have to be? I wonder if it freezes like
water does? That could be embarrassing on a day like today, sorry guv our
battery is now an ice rink.
Brian