So the end of a sunny spring day, and although it is only April, we are finding that our 4kw solar pv (which is the most common pv installation size in Northern Ireland) has supplied our needs all day, including a couple of loads of washing, running a regular fridge, an electric induction ring (saves us lighting the range), and a laptop that has been on most of the day.  We also have a 200 litre hot water tank full of 65 degree water. Pretty normal sounding stuff? Indeed it is, but for the fact that it all came without any need for a grid connection, or the need to have a boiler running. Sometimes I forget how amazing that really is. This is what energy freedom finally feels like.