@Caban Ok, you have my interest Caban. I live in SA and also know that @John-T may be interested as well. Can I sign up to get some of your excess Nuclear power to supplement my home made pumped storage hydro system. It works well, but at the moment, paying over $3.00 for a kilo litre of water (evaporation is one of my main issues, but when I can afford to cover the tank with galvanised iron, rather than the shade cloth I am using at the moment it should be cheaper to run). The pumped storage ...