What is energy? We have definitions, Physics, commodities and sources, but what is it? Are the scientist and mathematicians correct? Is it a quantifiable property? Or is energy something we all just take for granted.
Free fuel (Wind, solar, wave etc) should reduce the cost of generating electricity. In this article we look at the current generation options and assess the practicalities of free electricity.
It can give great satisfaction to produce your own electricity even when you realise your actual output figures never seem to get close to the estimates provided. But when everything is up and running smoothly, you can...