thanks Graham31 Oct 2013 18:40
and it's bungle when my trades go wrong -- yep solar has had a very bad press for no good reason -- it's much better watts/£ than any other form of renewable and much more accessible. Every form of energy (except nuclear) we have on the planet came first via solar and long long ago when I was at school the science teacher said the least transfers from one form of energy to another in any system is the best way to preserve the output