Basically because there are so many solar users feeding into the grid at the exact time when the companies don't need power (middle of the day). In fact, all the extra power is hard on the network. Power is so cheap at those times that prices can sometimes even go negative for the energy generators, so they are paying to give away power. They arent going to pay high FIT to buy power if they have to pay again to give it away! But as I often see @NeilC saying, you get solar to save money not to m ...
